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Date: 9/12/11- Section : 1.1 Linear models Obj.: SWBAT graph functions with square roots and absolute values. Bell Rin

Date: 9/12/11- Section : 1.1 Linear models Obj.: SWBAT graph functions with square roots and absolute values. Bell Ringer: Quiz Linear Models (15 minutes) HW Requests: Pg 77 # 22-24 6 th period turn in this homework 9/13 Parking Lot: ACT packet solutions (Solve Quadratic equations )

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Date: 9/12/11- Section : 1.1 Linear models Obj.: SWBAT graph functions with square roots and absolute values. Bell Rin

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  1. Date: 9/12/11- Section: 1.1 Linear models Obj.: SWBAT graph functions with square roots and absolute values. Bell Ringer: Quiz Linear Models (15 minutes) HW Requests: Pg77 #22-24 6th period turn in this homework 9/13 Parking Lot: ACT packet solutions (Solve Quadratic equations) Homework: pg78 #39-47; Work problem 46 algebraically. Announcements: Turn in Syllabus return sheet by Friday. This is a homework grade. Quiz on Friday and Math Team on Tuesdays

  2. Fundamental Questions: • Tips for solving Absolute value & Square root equations • Use parentheses liberally • Solve the equation to = 0, then replace 0 with y. • Now use your calculator. TI (Y=); Casio from Menu (Graph) • To get the absolute value: (Use parentheses) • TI – Press Math Button, then go to NUM #1 • Casio – Press Shift Catalog (#4); Scroll down to Abs • 5. To get x3 = x^3 on both calculators • 6. The solution= where the graph crosses the x axis; x intercepts • Examples: • Hartonpg78 # 37 and 40 • Students pg78 #42 and 44.

  3. Date: 9/13/11- Section: 1.1 Linear models Obj.: SWBAT graph functions with square roots and absolute values. Bell Ringer: 5thpg860 #39, 40 HW Requests: Both periods turn in Linear Regression homework worksheet from Friday and in class work sheet on linear modeling from Wednesday. 5thPg77 #22-24 pg78 #39-47; Work problem 46 algebraically. 6thpg 77 Turn in #22-24 Parking Lot: ACT packet solutions (Solve Quadratic equations) Homework: 5th Period pg 97 #1-7 6th Period pg78 #39-47; Work problem 46 algebraically. Announcements: Turn in Syllabus return sheet by Friday. This is a homework grade. Quiz on Friday and Math Team on Tuesdays

  4. Date: 9/14/11- Section: 1.2 Functions, Domain and Range Obj.: SWBAT graph functions with square roots and absolute values. Bell Ringer: pg860 #39, 40 HW Requests: pg 78 #39-47; Work problem 46 algebraically. pg97 #1-7 Parking Lot: ACT packet solutions (Solve Quadratic equations) Homework: pg 98 #1-7 odds and Worksheet Announcements: Make Up Wednesday for quiz Turn in Syllabus return sheet by Friday. This is a homework grade. Quiz on Friday and Math Team on Tuesdays

  5. Tips for solving Absolute value & Square root equations • Use parentheses liberally • Solve the equation to = 0, then replace 0 with y. • Now use your calculator. TI (Y=); Casio from Menu (Graph) • To get the absolute value: (Use parentheses) • TI – Press Math Button, then go to NUM #1 • Casio – Press Shift Catalog (#4); Scroll down to Abs • 5. To get x3 = x^3 on both calculators • 6. The solution= where the graph crosses the x axis; x intercepts • TI – Press 2ndCalc go to “zero” (#2). Must do left (cursor to left of point) then guess & right bound (cursor to right of point) then guess. • Casio – shift G-Solv push root (exe) • Examples: • Hartonpg78 # 37 and 40 • Students pg78 #42 and 44.

  6. Date: 9/15/11- Section: 1.2 Functions, Domain and Range Obj.: SWBAT find the domain and range of functions. Bell Ringer: p. 860 #46, 47, 48 HW Requests: pg 78 #39-47; Work problem 46 algebraically. pg97 #1-7, pg98 #1-7 odds and Worksheet Homework: pg 98 #9-20 Announcements: Turn in Syllabus return sheet by Friday. This is a homework grade. As of Friday, no calculator sharing on tests. Quiz on Friday and Math Team on Tuesdays

  7. Date: 9/16/11- Section: 1.2 Functions, Domain and Range Obj.: SWBAT find the domain of functions. Bell Ringer: None HW Requests:. a. b. Worksheet 1.2 b. pg98 #1-7 odds c. pg 98 #9-16 pg860 #48 d. pg78 #39-47; Work problem 46 algebraically Homework: Complete Worksheet Domain Announcements: As of Friday, no calculator sharing on tests. Quiz on Friday and Math Team on Tuesdays

  8. Tips for finding the domain. Before any restrictions are considered, the domain is (-∞,∞). Start narrowing the domain from this point with any restrictions. 2. If you have a radical ( ) in your equation arg If you have a rational expression (fraction) , then b Find out what makes the denominator, b= 0, and restrict this from the domain.

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