Lesson 8 Getting to the Root of the Problem Solidify Understanding

Ready

Order the numbers from least to greatest.

1.

2.

3.

4.

Refer to the given graph to answer the questions.

Insert , , or in each statement to make it true.

f of x and g of x are two functions graphed on a coordinate plane. f of x is a positive cubic function with points graphed at (-1,0), (2,0), and (1,0). g of x is a positive quadratic function with points at (-1,1), (0,0), and (1,1)x–2–2–2–1–1–1111222y–1–1–1111222333000

5.

6.

7.

8.

9.

10.

11.

How many times does equal ? How do you know?

Set

Use the given root to find the remaining roots. Then write the function in factored form.

12.

Function

Roots

Factored form

solution:

solution:

13.

Function

Roots

Factored form

solution:

solution:

14.

Function

Roots

Factored form

solution:

solution:

15.

Function

Roots

Factored form

solution:

solution:

Go

Multiply. Combine like terms and write your answers in descending order of the exponent.

16.

17.

18.

19.

20.

21.