Question

Can someone please help me solve this?

Answer 1

I know it's super blurry, but I couldn't get a good picture

Answer 2

hey Ms-Brains you have to figure out an equation for each graph

Answer 3

Ms-B: Inappropriate question. No one should be solving a problem for you. Instead, please ask for clarification of what y ou're supposed to do, where to start, models to follow, and so on. In the end it has to be YOU who solves the problem.

Answer 4

Yeah @mathmale I realized my error, and fixed. :) Sorry about that, it won't happen again.

Answer 5

:)

Answer 6

Well first of all do you think B and C will have a y value of 50 when x=6?

Answer 7

Hint: Let x=50 in the given equation. Does this fact help?

Answer 8

wouldnt y=50?

Answer 9

kayders1997: wouldn't that be a 5, not a 6?

Answer 10

Yes your right

Answer 11

Ref to the original graphs.

Answer 12

Read it wrong

Answer 13

Help MsBrains solve this problem herself, please.

Answer 14

Huh?

Answer 15

Sorry, I was paying attention, I was doing English homework. Okay, so we need to graph each equation?

Answer 16

Think of it this way start with the equation they gave you the x^2 and plug in x values they give you on the graph

Answer 17

Do you understand?

Answer 18

So we would plug 5 into all the x spots, right?

Answer 19

nope the x values they give on the graph so for like the first one they give you the point (1,2) which part of that is your x coordinate?

Answer 20

this part is to come up the equation with each graph

Answer 21

Okay, so I've narrowed down the answer being either A or D, because if we make a graph, x^2 is going to be like that...

Answer 22

Good and plus B and C are just to shallow they aren't going up quick enough to be 50 when x=5

Answer 23

so the point (1,2) what one is your x?

Answer 24

Um..gimme 1 sec to work this out

Answer 25

(x,y)

Answer 26

A has (1,2) exactly where they should be..
So A would be the correct answer?

Answer 27

back up

Answer 28

so your x value for the point (1,2) is 1 because points are set up as (x,y) and we have to plug that into our function x^2 so plug the 1 into the x^2 you get?

Answer 29

Ohhhh. okay I get it kinda

Answer 30

so (1)^2 is?

Answer 31

1?

Answer 32

Yes and we need the value of 2 because the coordinate says the y value is two so what do you have to multiply by to get 2 when you start with 1?

Answer 33

(2)^1 = 2
Like that ^^?

Answer 34

kinda, except we would have the ^1 it would be 2x1=2 so now we have our equation we just figured out we have to multiply by 2 and than x^2 so you have 2x^2 and you can even check plug in x=1 2(1)^2 you will get 2 2(2)^2 you will get 8, so now the question asks us to find it when x=5 so how do we do this with the equation we just got?

Answer 35

Um.. I got no clue..
I understand what you are saying, but I got no clue how to make an equation out of though

Answer 36

We have the equation already

Answer 37

2x^2 now we just need to figure out the y value when x=5

Answer 38

2(5)^2 = 50

Answer 39

yes!!!! 5^2 =25x2= 50 yay :)

Answer 40

Okay! Now we got that covered, how we going figure out the graph answer?

Answer 41

We figured it out!

Answer 42

on the graph a because thats the graph we were looking at when the value is 5 at the equation 2x^2 the yalue of y is 50 :)

Answer 43

So...D is the correct answer?

Answer 44

no a we tested points (1,2) and (2,8) thats how we know it was graph a

Answer 45

:)

Answer 46

Omg! that's what I said before!
Anyways thanks for the help! <3

Answer 47

no problem! and yes you were right the whole time! I just wanted you to go through the process of it

Answer 48

Do you mind helping me with a few more?

Answer 49

I can maybe do one I'm getting really tired

Answer 50

it's okay! You can go ahead and get some rest, I'll ask someone else. :)

Answer 51

okay good luck :) have a good night, and thank you :)