Lesson 4 Getting to the Root of the Problem Solidify Understanding

Ready

Order the numbers from least to greatest.

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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

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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.

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