Question

An x-method chart shows the product a c at the top of x and b at the bottom of x. Below the chart is the expression a x squared + b x + c.

Consider the polynomial 16x2 – 1.

What is the value of ac?



What is the value of b?



What two numbers multiply to get ac and add to get b?



The factored form of 16x2 – 1 is .

Answer 1

-16

0

-4 and 4

(4x-1) (4x+1)

Step-by-step :

I use the persons above me answers and I got it right.

Answer 2

What is the value of ac? -16

What is the value of b? 0

What two numbers multiply to get ac and add to get b? -4 and 4

The factored form of 16x2 – 1 is- ( 4x-1 )( 4x+1 )

Explanation:

I got it right.