Question

Y= -(x - 1)(x + 3) has how many real roots?

Answer choices:
A.2
B. Cannot be determined
C.1
D.0

Answer 1

A.2

Explanation:

y= -(x - 1)(x + 3)

To find the roots, set y=0

0 = -(x - 1)(x + 3)

Using the zero product property

x-1 =0 x+3=0

x=1 x =-3

There are 2 real roots