Question

Question 2 (Multiple Choice Worth 2 points)

Which of the following is a zero for the function f(x) = (x + 3)(x – 7)(x + 5)?

x = –7

x = –3

x = 3

x = 5



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Question 3 (Multiple Choice Worth 2 points)

Find the remainder when f(x) = 5x3 + 7x + 5 is divided by x + 2.

–49

–7

11

59



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Question 4 (Multiple Choice Worth 2 points)

Find the remainder when f(x) = 2x3 – 12x2

Answer 1

For number 2... you have to use the zero factor theorem and set each factor to zero So either x+3=0, x-7=0 or x+5=0 and when you solve you will see that x=-3 is a zero.

Answer 2

thanks do u know the others

Answer 3

Nope, sorry :(.