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Do you know of a form of equations where you can easily get the slope?
do you mean y=mx+b
So if we can solve the above equation for y, then we might be closer to getting the slope and y-intercept, right? Can you solve the equation for y?
Well I do know that you take 7 and subtract that from both sides geting -1/2y=2x-7 right?
Exactly, that's the first step.
okay then after that im confused
well 2 would be the slope right?
So then you need to get the y alone. That means you have to get rid of the -1/2 that's next to it.
okay so 1/2+ -7 = 3.5
Close. Because y is multiplied by the -1/2, we have to divide both sides by -1/2.
Dividing by -1/2 is the same as multiplying by -2.
oh thats where i always mess up
So we would have: -2(-1/2y) = -2(2x - 7)
So now what's the slope?
YAY haha the slope would be -4
Right! And the y-intercept?
Rock it :)
Ok, so now let's look at your other question and see if we can apply the same idea.
okay sounds good
Well, hehe, I was going to actually go to that problem, so we keep things organized :)
o okay ill head over to it sorry