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Lesson 29.notebook                                    November 02, 2012


            Assignment:

            1­­>Set 30 (evens) ­ Due Tuesday (11/6)

            2­­>Test #4 ­ Friday (11/9)




                                                                          1
Lesson 29.notebook                                                         November 02, 2012

           Lesson 29 Warm­Up:

           1) Evaluate x2  ­  2x, when x = 5.

           2) Expand:      3(x  +  r  +  5)

           3) Factor:      4x  +  6y

           4) What is the multiplicative inverse of 2  1/2?

           5) If a triangle is an equilateral triangle, then each angle 
           measures how many degrees?




                                                                                               2
Lesson 29.notebook                                           November 02, 2012


            Lesson 29

            *ratio – a comparison of 2 numbers by division

            FYI...

                We can write ratios 4 ways:
             ­with the word "to"  ­­> 3 to 4
             ­as a fraction  ­­> 3/4
             ­with a colon ­­>3:4
             ­as a decimal ­­>0.75


             




                                                                                 3
Lesson 29.notebook                November 02, 2012


           Examples ­ Lesson 29
           pg. 188
           A)


           B)


           C)


           D)




                                                      4
Lesson 29.notebook   November 02, 2012



             E)




             F)




                                         5

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7th pre alg -l29--nov2

  • 1. Lesson 29.notebook November 02, 2012 Assignment: 1­­>Set 30 (evens) ­ Due Tuesday (11/6) 2­­>Test #4 ­ Friday (11/9) 1
  • 2. Lesson 29.notebook November 02, 2012 Lesson 29 Warm­Up: 1) Evaluate x2  ­  2x, when x = 5. 2) Expand: 3(x  +  r  +  5) 3) Factor: 4x  +  6y 4) What is the multiplicative inverse of 2  1/2? 5) If a triangle is an equilateral triangle, then each angle  measures how many degrees? 2
  • 3. Lesson 29.notebook November 02, 2012 Lesson 29 *ratio – a comparison of 2 numbers by division FYI... We can write ratios 4 ways: ­with the word "to"  ­­> 3 to 4 ­as a fraction  ­­> 3/4 ­with a colon ­­>3:4 ­as a decimal ­­>0.75   3
  • 4. Lesson 29.notebook November 02, 2012 Examples ­ Lesson 29 pg. 188 A) B) C) D) 4
  • 5. Lesson 29.notebook November 02, 2012 E) F) 5