Question

Identify the x intercepts in the graph y=3x^2+19x-40

Answer 1

Find the x intercepts by letting y = 0 and solving for x

Answer 2

anyone else want to take a crack at it

Answer 3

Did you set it equal to 0?

Answer 4

And then factor it.

Answer 5

Can't figure it out HELP!!!

Answer 6

Can you multiply 3 times -40?

Answer 7

Than what

Answer 8

or whats the answer

Answer 9

What did you get for 3 times -40?

Answer 10

-120

Answer 11

Now list all the factors of -120 until you find a pair whose sum is +19. I'll get you started: