Asked by Alea
x+2y=6
2x+4y=32
how would i graph them and what would be my points?
2x+4y=32
how would i graph them and what would be my points?
Answers
Answered by
Reiny
easy way to graph a straight line is to use the intercepts
for the first one:
let x=0, y = 3, (should be able to do this in your head)
let y = 0, x = 6
so you have two points, (0,3) and (6,0)
plot the points and join with a straight line
Do the same with the 2nd equation
it should look like this:
http://www.wolframalpha.com/input/?i=plot+y+%3D+-2x%2B6%2C+y%3D%2832-2x%29%2F4
for the first one:
let x=0, y = 3, (should be able to do this in your head)
let y = 0, x = 6
so you have two points, (0,3) and (6,0)
plot the points and join with a straight line
Do the same with the 2nd equation
it should look like this:
http://www.wolframalpha.com/input/?i=plot+y+%3D+-2x%2B6%2C+y%3D%2832-2x%29%2F4
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