Question

Help !!

Answer 1

@jim_thompson5910

Answer 2

If we graph y = 5x^2 -3x - 9, we get what you see attached

Answer 3

Now use the x-intercept feature on your graphing calculator to get the approximate roots:

x = -1.07477 and x = 1.67477

Answer 4

So then it will give me answer D after I do that, correct or am I wrong ?

Answer 5

D looks like the closest thing to it, so I'd say D as well

Answer 6

Thanks !

Answer 7

btw, what kind of graphing calculator do you have?

Answer 8

I use the online one

Answer 9

wolfram alpha? or something else?

Answer 10

This one on this program geogebra

Answer 11

ah, I just used that to post the graph attached (above)

Answer 12

you type in

"root(f)"

without quotes in the input bar to get the roots


Note: f is the function