you take the y=mx+b alright then you plug in your numbers. So say you got (5,4)(X,Y) and the slope was 2 the equation would then be 4=2(5)+b. Then you do 2x5 which equals 10. Then you divide the 10 on both sides. the 10 and the 10 cancel each other out and the 4/10 =2/5 and then 2/5=b. There you have it!
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you multiply m n p
If y = mx + b, then x = (y-b)/m (for m not equal to zero).
Yes.
in the equation: y=mx+b , the y-intercept is represented by "b".
That is the standard equation to graph a line.