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Mathematics 6 Online
OpenStudy (anonymous):

draw a graph that represents the solution to the given system? 1. y = –x + 2 y = 3x – 1

OpenStudy (anonymous):

It turns out so ugly :D

OpenStudy (anonymous):

Just draw the graphs for both equations on same coordinates and find the solution at the intersection of the two lines

OpenStudy (anonymous):

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OpenStudy (anonymous):

thankyou soo much :)

OpenStudy (anonymous):

draw a graph that represents the solution to the given system? can you help with this one –4x + 3y = –12 –2x + 3y = –18

OpenStudy (anonymous):

First, write it as y = mx + b

OpenStudy (anonymous):

Can you do that?

OpenStudy (anonymous):

ya i think so

OpenStudy (anonymous):

now what

OpenStudy (anonymous):

do you graph it or put y on both sides haha i kinda forgot it its been awhile

OpenStudy (anonymous):

You have y alone on one side and should be able to easily "see" the graph. m is the slope and b is where the line will start..

OpenStudy (anonymous):

im sorry i still dont understand

OpenStudy (anonymous):

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OpenStudy (anonymous):

m is the slope. Which means when you move one unit on the x-axis, you will move m units on the y-axis

OpenStudy (anonymous):

b is where on the y-axis the line starts

OpenStudy (anonymous):

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OpenStudy (anonymous):

in this case, m = 2, where you move twice for each on the x-axis

OpenStudy (anonymous):

–4x + 3y = –12 => 3y =-12+4x => y = 4/3x-4 –2x + 3y = –18 => 3y = -18+2x => y = 2/3x+6

OpenStudy (anonymous):

i get it now thankyou soo much for taking the time to help me now i can do the rest on my own :)

OpenStudy (anonymous):

Glad I could help :b

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