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Question 565541: I have to graph y=4x with the formula y=mx+b. I get every other problem but this one is just just won't click to my brain! Help me out please?
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! I have to graph y=4x with the formula y=mx+b. I get every other problem but this one is just just won't click to my brain! Help me out please?
b is the y-intercept in the equation for a straight line, y=mx+b.
When you don't see it in the equation, b=0, that is, the line crosses the y-axis at the origin, (0,0)
So, for y=4x, the slope is 4 (rise/run) and the line goes thru the origin.
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