Question

Which statement about r(x)=x2+x−12 is true?

a The zeros are -4 and -3, because r(x)=(x+4)(x+3)
b The zeros are -4 and 3, because r(x)=(x+4)(x−3)

Answer 1

b. The zeros are -4 and 3, because r(x)=(x+4)(x−3)

Explanation:

Refer to the picture for more explanation.