Question

What are the x-intercepts of the quadratic function?

y = x2 + x – 2

A.
–2 and 1

B.
2 and 1

C.
1

D.
2 and –1
@pooja195

Answer 1

@mathmate

Answer 2

set y=0 and solve for x

Answer 3

can you explain on the drawing tool?

Answer 4

So the x-intercept is where the function crosses the x-axis.

Answer 5

The x-axis is located where y=0

Answer 6

so set y=0 in the equation

Answer 7

this gives 0 = x^2 + x -2

Answer 8

okay!

Answer 9

now solve for x

Answer 10

im confused??

Answer 11

i barley started learning this!?

Answer 12

you have to factor the equation

Answer 13

???

Answer 14

x^2 + x - 2

Answer 15

oh ok

Answer 16

what two numbers equal 1 when you add them together, and equal -2 when you multiply them together?

Answer 17

-1?

Answer 18

nope