Advanced Algebra (2006-2007)

Chapters 7 Assignment List

Mrs. Dohm

 

Enduring Understanding:  Exponents can be used to help us model a set of data.

 

Essential Questions:

§         Explain how the variables are affected in direct and inverse variation.

§         Explain the relationship between rational exponents and radicals.

§         Explain how to solve an equation when the variable is raised to a rational exponent.

§         Explain how to solve an equation that has the variable under a radical sign.

 

Section 7-1A                   Exploration Activity

                                  No Homework

 

Section 7-1A                   Page 464   #1 – 7, 9, 10, 16, 20, 22, 25 – 28, 30, 31

§         Suppose that y varies directly with x.  Describe the graph of the ordered pairs

(x, y).  What does the k represent?

 

Section 7-1A                   Page 464   #8, 11 – 15, 17 – 19, 21, 23, 29, 32 - 36

§         An inverse variation can also be expressed as xy = k.  Explain why this equation shows an inverse variation.

 

 

Section 7-1B                    Page 470   #1 – 11, 13

§         Do the graphs of functions of the form f(x) = xn, where n is even, show symmetry?  If so, describe their symmetry as completely as possible.

 

Section 7-1C (Day 1)          Page 478   #1 - 29

§         State the difference between (am)(an) and (am)n.

 

Section 7-1C (Day 2)          Worksheet

§         What does a negative exponent mean?

 

QUIZ 7-1 A – C               No Homework

 

Section 7-2A                   Worksheet

·        Why is it possible to take a cube root of a negative number but not a square root?

 

Section 7-2A                   Worksheet

·        How could you estimate the three-halves power of a number without using a calculator?

 

Section 7-2A                   Worksheet

 

·        Explain some advantages of using rational exponents instead of radicals when simplifying radical expressions.

 

Partner Quiz                    No Homework

Alternate Assessment

 

 

Section 7-2C                    Worksheet

·        If you solve an equation by raising both sides of the equation to a power, why is it necessary to check your solutions?

 

Section 7-2C                    Page 501   #5 – 17 odd, 54

·        Are there any questions you have or any areas you need help with before the test?

·         

Section 7-2E                    Page 511   #1 – 4, 7 – 37

·        Answer the essential questions

 

 

CHAPTER 7 TEST              Essential Questions Due