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Geometry 1 Classwork and Homework Information Mr. Cantlin's Classes - 2011-2012

Each class begins with a short (5 -10 minute) Bell Exercise (BE). List of AHSGE Objectives: Click Arrow To See Objectives I-1 Apply order of operations I-2 Add and subtract polynomials I-3 Multiply polynomials I-4 Factor polynomials II-1 Solve multi-step equations II-2 Solve quadratic equations II-3 Solve systems of linear equations II-4 Solve multi-step inequalities III-1 Identify functions III-2 Find the range of functions IV-1 Find perimeter, circumference, area, volume IV-2 Find the distance, midpoint, slope V-1,4 Graph: Linear Equations; Common Relations V-2 Graph lines given certain conditions V-3 Determine solution sets of inequalities VI-1 Translate: Verbal or Symbolic Graph: Equations or Inequalities VII-1 Apply properties and relationships between angles VII-2 Apply Pythagorean Theorem VII-3 Apply properties of similar polygons VII-4 Apply properties of geometric figures VII-5 Determine measures of central tendency VII-6 Determine probabilities VII-7 Solve problems: Direct Variation VII-8 Solve problems: Algebraic Concepts Note: Q# = Quarter 1, 2, 3, or 4. W# = Week 1, 2, 3, ... Geometry Course of Study per ALSDE - click here FYI: Common Core State Standards ~ States Adopting Common Core   Some Useful Forms & Homework Tools: Useful Forms & Homework Tools - Click To Select Exponent Rules (pdf file) Trig. Table of Sin-Cos-Tan (pdf file) Print Free Graph Paper (at printfreegraphpaper.com) Online Graph Sketcher (at shodor.org) Live Online Homework Help - Paid For By the State of Alabama Blank X-Y-Z Graph - Large Blank X-Y-Z Graph - Small (2 per page) Tutor Ticket (pdf file) Tutor Ticket (doc file) Mr. C.'s Wolfram Alpha Prime Factorization Widget Mr. C.'s Wolfram Alpha GCF of Monomials Widget Mr. C.'s Wolfram Alpha Area of SAS Triangle Using Sines Widget Mr. C.'s Wolfram Alpha Law of Sines Widget Mr. C.'s Wolfram Alpha Law of Cosines Widget Mr. C.'s Wolfram Alpha Convert Radians and Degrees Widget Ambiguous Case of Law of Sines (pdf file) Isometric Graph Paper - Half Inch Dot Spacing Isometric Graph Paper - Quarter Inch Dot Spacing Graph of Sin(x) (pdf file) User Guide for TI30XS Multi-View (pdf file)

Q4 W10 5/25/12 Friday NO SCHOOL - Teacher Work Day. Q4 W10 5/24/12 Thursday Class: Semester Exam Makeups. Last Day of School! Class of 2012 Graduates - 6 p.m. - Congratulations!! Homework: (1.) Enjoy Summer Vacation! Q4 W10 5/23/12 Wednesday Class: Class: Semester Exams - Period 7. Homework: (1.) None. Q4 W10 5/22/12 Tuesday Class: Semester Exams - Periods 4, 5, and 6. Homework: (1.) None. Q4 W10 5/21/12 Monday Class: Semester Exams - Periods 1, 2, and 3. Homework: (1.) None. Q4 W9 5/18/12 Friday Class: Quarter 4 Definition & Formula Quiz 2. Hints: Top Ten: Area and Circumference of a Circle, Function and Inverse of a Function, The Quadratic Formula (including Discriminant), Proportions of a 45-45-90 and 30-60-90 triangle (label drawing), Similar Triangles, Perfect Square Trinomial Patterns and Difference of Squares Pattern (using a, b, c, as needed), The Law of Sines and the Law of Cosines, The Sine, Cosine, and Tangent, The Pythagorean Identity, The Standard Form of a Parabola and a Circle (using h,k, x, and y). Homework: (1.) None. Q4 W9 5/17/12 Thursday Class: Seniors vs. Faculty Basketball - 6th Period. Practice for DFQ2. Practice for Semester Exam - click here for practice worksheet (75 problems). Homework: (1.) Study for this week's DFQ. (2.) Memorize your flashcard definitions. Q4 W9 5/16/12 Wednesday Class: Awards Day - 8:30 a.m. Cinco De Mayo Celebration - 7th Period. Review Graded Exam 2 and Exam 2 Makeups. Practice for Semester Exam - click here for practice worksheet (75 problems). Homework: (1.) Study for this week's DFQ. (2.) Memorize your flashcard definitions. Q4 W9 5/15/12 Tuesday Class: Quarter 4 Exam 2. Homework: (1.) None. Q4 W9 5/14/12 Monday Class: (today's class notes - click here) Ch. 9-7, Transformations With Matrices Practice: Ch. 9-1 Reflections - click here for copy of practice worksheet. Homework: (1.) Study for Exam 2. (2.) Read Chapter 9-7. Q4 W8 5/11/12 Friday Class: Academic Picnic. Practice Ch. 9 - Translations, reflections. Homework: (1.) Study for Exam 2 next week. Q4 W8 5/10/12 Thursday Class: (today's class notes - click here) Class Basketball Finals - 6th Period. Homework review. Continue Ch. 9-1, reflections in the X-Y Coordinate Plane. Homework: (1.) Page 468, #27, 29 to 32. Q4 W8 5/9/12 Wednesday Class: (today's class notes - click here) Intro. to Ch. 9, Transformations. Ch. 9-1, Reflections. Homework: (1.) Page 467, #5-7, 12-17, 24,25. Q4 W8 5/8/12 Tuesday Class: Quarter 4 Closed Book Quiz 5. Homework: (1.) None. Q4 W8 5/7/12 Monday Class: Quarter 4 Open Book Quiz 6. Homework: (1.) Study for this week's CBQ. Q4 W7 5/4/12 Friday NO SCHOOL - May Holiday Q4 W7 5/3/12 Thursday Class: Practice graphing coordinates in space: click here for copy of practice worksheet used in class. Blank X-Y-Z Graph Large - click here or dropdown box at top of page. Blank X-Y-Z Graph Small (2 per page) - click here or dropdown box at top of page. Homework: (1.) Memorize your flashcard definitions. Q4 W7 5/2/12 Wednesday Class: Dawg Wars - Periods 6 and 7. Practice graphing coordinates in space: click here for copy of practice worksheet used in class. Blank X-Y-Z Graph Large - click here or dropdown box at top of page. Blank X-Y-Z Graph Small (2 per page) - click here or dropdown box at top of page. Homework: (1.) Memorize your flashcard definitions. Q4 W7 5/1/12 Tuesday Class: (today's class notes - click here) Homework review. "Sink the 3D Sub". Homework: (1.) Page 717, #11, 16, 17, 20. Q4 W7 4/30/12 Monday Class: (today's class notes - click here) Ch. 13-5, Coordinates in Space. Homework: (1.) Page 717, #2, 4, 5, 6, 7. Q4 W6 4/27/12 Friday Class: Quarter 4 Closed Book Quiz 4 Homework: (1.) None. Q4 W6 4/26/12 Thursday Class: Quarter 4 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: inverse function, one-to-one function, composition of two functions. Quarter 4 Open Book Quiz 5 Homework: (1.) Study for this week's CBQ. Q4 W6 4/25/12 Wednesday Class:(today's class notes - click here) Homework review. Practice Worksheet - Inverse Functions of Linear Equations. See class notes for copy. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q4 W6 4/24/12 Tuesday Class: (today's class notes - click here) Homework review. Using the composition of functions to prove that functions are inverses of each other. Definition of "one-to-one" functions. Homework: (1.) Six(6) problems - see class notes. Q4 W6 4/23/12 Monday Class: (today's class notes - click here) Definition of Inverse Functions. Finding the inverse of linear functions. Homework: (1.) Find inverse function and graph f(x), f-1(x), and dashed y=x: y=f(x)=2x-4 y=f(x)=(1/2)x+3 y=f(x)=4x-1 y=f(x)=(-3/4)x+6 Q4 W5 4/20/12 Friday Class: Quarter 4 Progress Reports scheduled to be issued in Homeroom to all students. Quarter 4 Exam 1 Homework: (1.) None. Q4 W5 4/19/12 Thursday Class: Quarter 4 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: matrix, determinant of a matrix, dimensions of a matrix, logarithm. Quarter 4 Open Book Quiz 4 Homework: (1.) Study for this week's Exam. Q4 W5 4/18/12 Wednesday Class: Homework review. Practice matrices and logarithms: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for this week's DFQ, OBQ, & Exam. (2.) Memorize your flashcard definitions. Q4 W5 4/17/12 Tuesday Class: (today's class notes - click here) Homework review. Logarithms ==> recall: a logarithm is an exponent! Homework: (1.) Practice HW4 worksheet Do odds. (see class notes for copy). Q4 W5 4/16/12 Monday Class: (today's class notes - click here) Introduction to Matrices. Dimensions of a matrix, scalar multiplication. Adding, subtracting, and multiplying matrices. Homework: (1.) Page 753, #13-23 odd. Q4 W4 4/13/12 Friday Class: Quarter 4 Closed Book Quiz 3 Homework: (1.) None. Q4 W4 4/12/12 Thursday Class: (today's class notes - click here) Compound interest rate problems. Quarter 4 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: Exponential Function, General Forms of Exponential Growth and Decay, Compound Interest Rate Formula, the seven (7) Exponent Rules. Quarter 4 Open Book Quiz 3 Homework: (1.) Study for this week's CBQ. Q4 W4 4/11/12 Wednesday Class: (today's class notes - click here) The "general form" of the exponential function. Solving exponential growth and decay problems. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. (3.) Practice Worksheet (see Monday class notes) - # 10-28 even. (4.) Two exponential growth/decay problems (see class notes). Q4 W4 4/10/12 Tuesday Class: (today's class notes - click here) Simplifying fractional exponents. Definition of Exponential Functions ==> y=a(b)x. Graphing Exponential Functions Homework: (1.) Practice Worksheet (see Monday class notes) - # 9-27 odd. (2.) Graph y=3x and y=(1/3)x Q4 W4 4/9/12 Monday Class: (today's class notes - click here) Review of the six exponent rules - click here for copy or dropbox at top of page. The 7th Exponent Rule ==> The Fractional Exponent Rule. Homework: (1.) Practice Worksheet (see class notes) - # 1-8. Q4 W3 4/6/12 Friday Class: Quarter 4 Closed Book Quiz 2 Homework: (1.) None. Q4 W3 4/5/12 Thursday Class: Quarter 4 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: volume formula for cylinders and prisms. Quarter 4 Open Book Quiz 2 Homework: (1.) Study for this week's CBQ. Q4 W3 4/4/12 Wednesday Class: Practiceproblems for this weeks OBQ: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q4 W3 4/3/12 Tuesday Class: (today's class notes - click here) Homework review. Continue 13-1, Volume of Prisms and Cylinders. Group practice: Page 692-693, #17, 25-27. Homework: (1.) None. Q4 W3 4/2/12 Monday Class: (today's class notes - click here) Ch. 13-1, Volume of Prisms and Cylinders. Homework: (1.) Page 691, #1-6. Q3 3/26-3/30-2012 Mon. - Fri. NO SCHOOL - Spring Break! Q4 W2 3/23/12 Friday Class: Morning AHSGE: Social Studies. Afternoon ACT practice. Homework: (1.) Enjoy Spring Break! Go outside!! Q4 W2 3/22/12 Thursday Class: AHSGE: Math. Morning & Afternoon ACT practice. Homework: (1.) None. Q4 W2 3/21/12 Wednesday Class: AHSGE: Biology. Morning & Afternoon ACT practice. Homework: (1.) None. Q4 W2 3/20/12 Tuesday Class: Morning AHSGE: Reading. Afternoon ACT practice. Homework: (1.) None. Q4 W2 3/19/12 Monday Class: Morning AHSGE: Language. Afternoon ACT practice. Homework: (1.) None. Q4 W1 3/16/12 Friday Class: Quarter 4 Closed Book Quiz 1 Homework: (1.) None. Q4 W1 3/15/12 Thursday Class: Quarter 4 Definition & Formula Quiz 1. Hints: All prior DFQ's plus: lateral area of a prism, right prism/cylinder, oblique prism/cylinder. Quarter 4 Open Book Quiz 1 Homework: (1.) Study for this week's CBQ. Q4 W1 3/14/12 Wednesday Class: (today's class notes - click here) Homework review. Continue Ch. 12-4, practice finding the surface area of cylinders. Practice for Q4OBQ1 and CBQ1: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q4 W1 3/13/12 Tuesday Class: (today's class notes - click here) Homework review. Ch. 12-4, Surface Area of Cylinders. Homework: (1.) Page 657, #4-7. Q4 W1 3/12/12 Monday Class: (today's class notes - click here) -----Start of Quarter 4----- Ch. 12-3, Surface Area of Prisms. Homework: (1.) Page 651, #6, 8, 9, 11. Q3 W10 3/9/12 Friday Class: Review graded Quarter 3 Exam 2. Complete Exam 2 Make-ups as needed. -----End of Quarter 3----- Homework: (1.) None. Q3 W10 3/8/12 Thursday Class: Quarter 3 Exam 2. Homework: (1.) None. Q3 W10 3/7/12 Wednesday Class: Quarter 3 Definition & Formula Quiz 2. Hints: area of circle and circumference of circle, area of trapezoid, proportions of 30-60-90 and 45-45-90 triangle, Law of Sines and Cosines, conditions for triangle congruency, conditions for triangle similarity, similar polygons, surface area of rectangular prisms and cylinders, the Pythagorean Identity, center-radius form of the equation of a circle, inscribed angle of a circle, central angle of a circle, secant, chord, area of a triangle if you know 2 sides and the included angle. Practice for Exam 2 - Worksheet #2: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for Exam 2. Q3 W10 3/6/12 Tuesday Class: Homework review. Practice for Exam 2 - Worksheet #1: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for Exam 2. (2.) Memorize your flashcard definitions. Q3 W10 3/5/12 Monday Class: (today's class notes - click here) Period 7: see Friday's notes for Ch. 12-1. Ch. 12-2, Nets and Surface Area. Interactive Nets at Learner.org - better than reading the net folding instructions. Homework: (1.) Page 645, #5-7 (nets optional). (2.) Page 648, #50-53. (3.) Study for Exam 2. (4.) Memorize your flashcard definitions. Q3 W9 3/2/12 Friday Class: (today's class notes - click here) Ch. 12-1, Three Dimensional Figures. Interactive Isometric Drawing Tool - very cool. Spinning Platonic Solids - and more! At MathIsFun.com. Half-inch isomtric dot paper (use for the corner drawing in homework) - see drop box at top of page. Note: Afternoon classes (Periods 5, 6, and 7) cancelled due to weather. Applicable material delayed to Monday. Homework: (1.) Page 639, #1-8. Q3 W9 3/1/12 Thursday Class: (today's class notes - click here) Homework review. Ch. 11-5, Geometric Probability. Homework: (1.) Bull's Eye vs Triple Score Question - see class notes. Q3 W9 2/29/12 Wednesday Class: (today's class notes - click here) Ch. 11-3, Area of Regular Polygons and Circles. Homework: (1.) Page 613, #3, 6, 14, 19. Q3 W9 2/28/12 Tuesday Class: Quarter 3 Closed Book Quiz 6 Homework: (1.) None. Q3 W9 2/27/12 Monday Class: Quarter 3 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: quadrilateral, parallelogram, rectangle, rhombus, square, trapezoid, area of a trapezoid, parallelogram, and triangle. Quarter 3 Open Book Quiz 7 Homework: (1.) Study for this week's CBQ. Q3 W8 2/24/12 Friday Class: Practice parallelograms, triangles, and trapezoids: click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for next week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W8 2/23/12 Thursday Class: (today's class notes - click here) Homework review. Ch. 11-2, Area of Triangles and Trapezoids. Homework: (1.) None. Q3 W8 2/22/12 Wednesday Class: (today's class notes - click here) Properties of Parallelograms. Ch. 11-1, Area of Parallelograms. Homework: (1.) Page 598, #3 to 5, 15 to 17. Q3 W8 2/21/12 Tuesday Class: Note: Per. 3 schedule will be delayed one day all week (ex. CBQ5 is tomorrow) due to assembly today, see the practice worksheet on Friday that you will miss. Quarter 3 Closed Book Quiz 5 Homework: (1.) None. Q3 W8 2/20/12 Monday NO SCHOOL - President's Day Holiday Q3 W7 2/17/12 Friday Class: Practice for Quarter 3 Closed Book Quiz 5 Homework: (1.) None. Q3 W7 2/16/12 Thursday Class: Quarter 3 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: the formulas for the 4 types of angles formed inside or outside a circle that we have studied so far. Quarter 3 Open Book Quiz 6 Homework: (1.) Study for this week's CBQ. Q3 W7 2/15/12 Wednesday Class: Practice for OBQ: click here for copy of practice worksheet used in class with answers - part 1. click here for copy of practice worksheet used in class with answers - part 2. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W7 2/14/12 Tuesday Class: (today's class notes - click here) Continue Ch. 10-6, finding the measure of an exterior angle to a circle that is formed by a secant-secant, secant-tangent, or tangent-tangent. Homework: (1.) Page 565, #21, 23, 25 to 27, (2.) Page 579, #39. Q3 W7 2/13/12 Monday Class: (today's class notes - click here) Converting from the General Form to the Center-Radius Form of the equation of a circle by Completing the Square. Homework: (1.) Finish practice "circle equation" worksheet (see class notes). Q3 W6 2/10/12 Friday Class: Review graded Q3 Exam 1. Quarter 3 Progress Reports scheduled to be issued in Homeroom to all students. Homework: (1.) None. Q3 W6 2/9/12 Thursday Class: Quarter 3 Exam 1. Homework: (1.) None. Q3 W6 2/8/12 Wednesday Class: Quarter 3 Open Book Quiz 5 Homework: (1.) Study for this week's Exam. (2.) Memorize your flashcard definitions. Q3 W6 2/7/12 Tuesday Class: Homework review. Practice for OBQ5: click here for copy of practice worksheet used in class with answers. Coming soon. Homework: (1.) Study for this week's OBQ, & Exam (use practice worksheet). (2.) Memorize your flashcard definitions. Q3 W6 2/6/12 Monday Class: (today's class notes - click here) Ch. 10-6, Secants, Tangents, and Angle Measures. Ch. 10-8, Equations of a Circle. The "center-radius" form and general form. How to switch from general form to "center-radius form by completing the square for x and y. Homework: (1.) Page 564, #12-14, (2.) Page 577-578, #3, 4, 6, 7, 10-12. Q3 W5 2/3/12 Friday Class: Quarter 3 Closed Book Quiz 4 Homework: (1.) None. Q3 W5 2/2/12 Thursday Class: Quarter 3 Definition & Formula Quiz 2. Hints: All prior DFQ's plus: inscribed angle, tangent, incenter of a triangle, circumcenter of a triangle. Quarter 3 Open Book Quiz 4 Homework: (1.) Study for this week's CBQ. Q3 W5 2/1/12 Wednesday Class: (today's class notes - click here) Homework review. Definitions: incenter and circumcenter of a triangle. Constructions: drawing a circle incribed within and circumscribed around a triangle. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W5 1/31/12 Tuesday Class: (today's class notes - click here) Homework review. Ch. 10-5, Tangents. Construction: Tangent to circle from point outside circle. Homework: (1.) Page 555, #8, 9, 12, 14, 15, (2.) Page 557, #29, 30. Q3 W5 1/30/12 Monday Class: (today's class notes - click here) ACT practice (2 problems), return/review graded HW3/Quiz3 (time permitting). Ch. 10-4, Inscribed Angles. Homework: (1.) Page 549, #8, 9, 13. Q3 W4 1/27/12 Friday Class: Quarter 3 Definition & Formula Quiz 1. Hints: All prior DFQ's plus: chord, radius, diameter, minor arc, major arc, inscribed polygon, circumscribed polygon, regular polygon. Quarter 3 Closed Book Quiz 3 Homework: (1.) None. Q3 W4 1/26/12 Thursday Class: Quarter 3 Open Book Quiz 3 Homework: (1.) Study for this week's CBQ. Q3 W4 1/25/12 Wednesday Class: Practice for OBQ3: Ch. 10-2 and 10-3. click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W4 1/24/12 Tuesday Class: (today's class notes - click here) Homework review. Practice for OBQ3: Ch. 10-2 and 10-3. click here for copy of practice worksheet used in class with answers. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W4 1/23/12 Monday Class: (today's class notes - click here) Homework review. Ch. 10-3, Arcs and Chords. Homework: (1.) Page 534, #47-50, 52, (2.) Page 540-541, #11-17 odd, 23-25, 39. Q3 W3 1/20/12 Friday Class: (today's class notes - click here) Ch. 10-2, Angles and Arcs. Homework: (1.) Page 532-533, #1-13 odd, 20, 32. Q3 W3 1/19/12 Thursday Class: Quarter 3 Definition & Formula Quiz 1. Hints: All prior DFQ's plus: Reciprocal Identities, the Pythagorean Identities, The "Tan" Identity = sin(x)/cos(x) = tan(x), the Law of Cosines, the discriminant, the Quadratic Formula. Quarter 3 Closed Book Quiz 2 Homework: (1.) None. Q3 W3 1/18/12 Wednesday Class: Quarter 3 Open Book Quiz 2 Homework: (1.) Study for this week's DFQ & CBQ. (2.) Memorize your flashcard definitions. Q3 W3 1/17/12 Tuesday Class: (today's class notes - click here) Homework review. Practice: circle and triangle properties. Homework: (1.) Study for this week's DFQ, OBQ, & CBQ. (2.) Memorize your flashcard definitions. Q3 W3 1/16/12 Monday NO SCHOOL - Martin Luther King Holiday Q3 W2 1/13/12 Friday Class: (today's class notes - click here) *Semester 1 Report Cards Issued In Homeroom* ACT Practice/Homework review. Practice verifying Trigonometric Identities. Ch. 10-1, Circles and Circumference. Homework: (1.) Verify 4 Trig. Identities (see class notes), (2.) Page 526, #21-27, 44, 46, 52. Q3 W2 1/12/12 Thursday Class: (today's class notes - click here) Trigonometric Identities (reference textbook page 391). Verifying Trigonometric Identities. The Reciprocal Identities, the Pythagorean Identities, sin(x)/cos(x) = tan(x). Homework: (1.) Memorize today's definitions and Identities. (2.) Verify: cot2(x) + 1 = csc2(x) Q3 W2 1/11/12 Wednesday Class: Quarter 3 Closed Book Quiz 1 Homework: (1.) None. Q3 W2 1/10/12 Tuesday Class: Quarter 3 Open Book Quiz 1. Homework: (1.) Study for Q3CBQ1. Q3 W2 1/9/12 Monday Class: (today's class notes - click here) School assembly for basketball games in afternoon. Homework review. Practice for Q3OBQ1 -- click here for copy of practice worksheet used in class with answers. Homework: (1.) Do practice worksheet problems not done in class - click here for copy. Q3 W1 1/6/12 Friday Class: (today's class notes - click here) Homework review. The special case: using the Law of Cosines and the Quadratic Formula to solve SSA triangles . The "Ambiguous Case of the Law of Sines". Homework: Solve the following triangles: (1) A=82 deg., a=9, b=12. (2) A=105 deg., a=18, b=14. Q3 W1 1/5/12 Thursday Class: (today's class notes - click here) Welcome Back!. *Start of Quarter 3 and Start of Semester 2* The Law of Cosines. Using the Law of Cosines for SAS and SSS triangles. Homework: (1.) Page 388, #20, 21. (2.) Memorize the LOC - make & study flashcards! Q3 W1 1/4/12 Wednesday NO SCHOOL - Teacher Work Day Q3 W1 1/3/12 Tuesday NO SCHOOL - Christmas Holiday Q3 W1 1/2/12 Monday NO SCHOOL - Christmas Holiday

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