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find the equation of the line through the given pair of points solve for y if possible. (-2,1) , (3,5)

User Mchlstckl
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You want to find the equation for a line that passes through the two points:

(-2,1) and (3,5).

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

First, let's find what m is, the slope of the line...

The slope of a line is a measure of how fast the line "goes up" or "goes down". A large slope means the line goes up or down really fast (a very steep line). Small slopes means the line isn't very steep. A slope of zero means the line has no steepness at all; it is perfectly horizontal.

For lines like these, the slope is always defined as "the change in y over the change in x" or, in equation form:


User Matt Larsuma
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