WRITING CUBIC FUNCTIONS FROM GRAPHS WORKSHEET

Find the equation of the cubic with graph :

Problem 1 :

equofthecubic

Solution

Problem 2 :

equofthecubic2

Solution

Problem 3 :

equofthecubic3

Solution

Problem 4 :

equofthecubic4

Solution

Problem 5 :

equofthecubic5

Solution

Problem 6 :

equofthecubic6

Solution

Answer Key

1)  P(x) = 2 (x + 1) (x - 2) (x - 3)

2)  P(x) = -2 (x + 3) (2x + 1) (2x - 1)

3)  P(x) = 1/4 (x + 4)2 (x - 3)

4)  P(x) = 1/10 (x + 5) (x + 2) (x - 5)

5)  P(x) = 1/4 (x + 4) (x - 3)2

6) P(x) = -2 (x + 3) (x + 2 ) (2x + 1) 

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