Question

2x^2-7x-13=-10 solve graphically
show steps

Answer 1

First add 10 to both sides

2x^2-7x-13=-10

2x^2-7x-13+10=-10+10

2x^2-7x-3=0

Answer 2

Now graph 2x^2-7x-3 on graph paper or on a graphing calculator. A graphing calculator is much more accurate so I'd use that.

Answer 3

If you don't have a graphing calculator, you can use something like desmos

https://www.desmos.com/calculator

Answer 4

can i use mathway for the calculature?

Answer 5

what's the link?

Answer 6

mathway.com

Answer 7

i can just use the one u gave me

Answer 8

I don't see how to graph with mathway, so yeah, use desmos

Answer 9

graph 2x^2-7x-3

look for the x-intercepts

Answer 10

0,-3 ?

Answer 11

that's the y-intercept

Answer 12

the x-intercepts are the points where the graph crosses the x axis

Answer 13

oh read it wrong

Answer 14

-0.39, 0 and 3.89

Answer 15

I'm getting -0.386 and 3.886

Answer 16

but it looks like you got roughly the same

Answer 17

is that the answers or another step

Answer 18

those are the two solutions

Answer 19

approximate solutions