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

Answer choices:

A. 2

B. Cannot be determined

C. 1

D. 0

A. 2

Step-by-step 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