Question

HELP FOR MEDAL CHECK MY ANSWER :)
Which Equation matches the graph shown below?
a.y=8x2+2x-5
b.y=8x2+2x+5
c.y=2x2+8x+5
d.y=2x2+8x-5
My Answer is -a Please check it for me

Answer 1

Anyone know if I'm correct ?

Answer 2

i think so

Answer 3

@FibonacciChick666

Answer 4

@blueweek77

Answer 5

I think your right.. but im not 100% sure...

Answer 6

@abb0t

Answer 7

Ty blueweek77

Answer 8

No problem ^.^

Answer 9

@hartnn

Answer 10

@Bsho1997

Answer 11

A is incorrect

Answer 12

OH No

Answer 13

if you look it crosses the x-axis to close to the origin then the graph that you have

Answer 14

ok let me try again.

Answer 15

if i may narrow it down for you its not a or b

Answer 16

c?

Answer 17

are you able to graph the equations?

Answer 18

Not good at it at all

Answer 19

do you have a graphing calculator?

Answer 20

no

Answer 21

better yet do you know the quadratic formula?

Answer 22

\[x=(-b \pm \sqrt{b ^{2}-4ac})\div2a\]

Answer 23

nope just started this

Answer 24

the equations from c and d and plug them into this.
youll get the x-intercepts.

Answer 25

C. √8^2 -4(2)(5)= 4.89
4.89-(-8)=12.89
12.89/(2*2)=3.2225
if you look this is not the same as your graph which therefore leaves you with D

Answer 26

Ok Ty Again

Answer 27

your welcome anytime that im on ill help