Question

Solve by graphing. x^2 +2x - 8 = 0

Answer 1

A. -2, 4
C. 2, -4
D.-2, 4
theres no b because it incorrect

Answer 2

@completeidiot

Answer 3

@JakeV8

Answer 4

i dont think its c because c and b are the same

Answer 5

nvm its not the same

Answer 6

you are guessing...

Answer 7

for A the graph points up and for D it points down

Answer 8

c the graph points up

Answer 9

oh, wait, sorry... I didn't see that you had to solve by graphing. What are you using to graph it?

Answer 10

no i actually tried at this i had picked b which was incorrect so im thinking it c where the graph points up

Answer 11

an calculator

Answer 12

Take a look at this... see how it crosses the x axis at -4 and 2? So those are the solutions...
http://www.fooplot.com/#W3sidHlwZSI6MCwiZXEiOiJ4XjIrMip4LTgiLCJjb2xvciI6IiMwMDAwMDAifSx7InR5cGUiOjEwMDAsIndpbmRvdyI6WyItMTMiLCIxMyIsIi04IiwiOCJdfV0-

Answer 13

its c