Question

What are the x-intercepts of the quadratic function?
y = x^2 + x – 2

A. 2 and 1

B. –2 and 1

C. 2 and –1

D. 1

Answer 1

Set it equal to zero and solve by factoring

Answer 2

So it's (x+2)(x-1)
set it equal to zero and solve: X+2=0 and x-1=0
so x=-2, 1

Answer 3

So B