Question

Need help for: y=6x-7 y=2.2x +3

Answer 1

are you trying to find what x and y are?

Answer 2

Sorry not sure, I am trying to help my son figure this math problem. I have never taken Algebra so I am not able to help him. He cant remember how to get to the answer of this problem. He thinks if he see's an answer it might help him to figure out other problems.

Answer 3

what was the exact equation for this problem?

Answer 4

i mean question

Answer 5

Hello @Tbob and Welcome to OpenStudy! :)

To solve this equation for x and y
we can use the "Substitution Method"
here we can use the assumption that "y" is equal to "y"

Answer 6

that would mean that .what the first "y" is equal to.
is Equal to .what the second "y" is equal to.

if we put this into algebraic terms, we can get
6x - 7 = 2.2x + 3

do you see where I got that? :)

Answer 7

The question is: Graph the system by using by technology. What is the x-coordinate of the solution? Round to the nearest hundredth.

Answer 8

oh! Then by any chance do you have a Graphing Calculator?
if so, that is the model and number? :)

Answer 9

wouldnt it be 3

Answer 10

sorry I do not have a graphing calculator. I am trying to help my son figure this problem. sadly I have never taken algebra so I am lost.

Answer 11

@wayne305605 the answer is not quite 3 :) please try to include an explanation next time ^_^

Answer 12

can someone help me with my / plz i need help badly

Answer 13

and @Tbob that is alright :) we have the great tool of the Internet on our side
give me a minute to pull up the graphs to emulate how you would have solved this on a graphing calculator ^_^

Answer 14

@ jigglypuff314....thank you for helping me, I truly appreciate it :)

Answer 15

http://goo.gl/BXCukU
Try this link
I have used Google to emulate what would have appeared on a Graphing Calculator :)

I'll give you the steps if you (or your son) does have to know how to use a Graphing Calculator to do this for the future:
1. Turn on the Calculator (I am basing this off of the Texas Instruments Graphing Calculator that many schools use and provide)
2. Press the "Y=" button
3. Type in the part of the equation after the equals sign (in this case: 6X - 7)
(there is an "X" button sometimes might appear as "X,T,O,n" that you can use to enter the "X")
4. Press the down arrow once
5. Type in the other equation like in step 3
6. Press the "Graph" button
The screen should now look something like the diagram in the link I provided :)

Answer 16

As you can now see from this graph, there is a place where the two lines cross each other. This is what you need to find :)
do you see it?

in the link I had given, you can simply guide your mouse over it and the numbers in the top right box should change with it

When you have your mouse right over where the two lines cross each other
the x = ..... would be your answer! :)

Tell me what you get so I can be sure it's looking right, and feel free to ask if you need more assistance with it ^_^

Answer 17

I see where the lines cross and there are 3 sets of numbers in the upper right corner. 1 x and 2 y. I will show this to my son and he may understand it by seeing it.

Answer 18

Good :)
when you run your mouse over where the lines cross, the x number should be your answer ^_^

Answer 19

If you need to continue doing more math problems but do not have a Graphing Calculator available, all you have to do is go to www.google.com
and type in the two equations you were given with a comma in between
and it should give you a graph again :)

Answer 20

Awesome! I show the answer to be x: 2058936298...is that correct?

Answer 21

I meant 2.58936298

Answer 22

hmm it says to round to the "nearest hundredth"
try clicking the "+" button that is at the top left of the graph twice
that should zoom in enough to give you a more accurate answer :)

Answer 23

@Tbob
You can also use the scroll wheel on your mouse to zoom in and out

Here is the answer that I got: http://prntscr.com/6re8co

to round to the "nearest hundredth" simply cut it after the third digit
0.000000
^this is the hundredths place :)

Answer 24

zooming in I see x to be 2.64411736 so it would be 2.64

Answer 25

I got 2.63 :) but that's the right idea ^_^

Answer 26

awesome!!! Thank you again for your help. Looks like I need to take algebra if I am going to try to help my son ;) Thank you again!!! You rock!!

Answer 27

I'm glad I could help!
Feel free to come back again if you ever need any more help with anything :)

If you could do me a favor and give me a "Best Response" medal and a Rating, that would be much appreciated! <3

Answer 28

one last question...I was able to check the "Best Response" but not sure how to do the metal and rating???

Answer 29

No worries, the medal was the "Best Response" :)
and the Rating should be here: http://prntscr.com/6regjm