How do you write the equation in slope intercept form given (1,4) and (-2,-5)?

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Answer 1 · 2017-05-21T00:45:49

See below.

We can find the slope using the slope formula, or
#(4-(-5))/(1-(-2))=9/3=3#

Then,

#3x+b=y#.

Plugging in one of the points,

#3(1)+b=4#

#b=1#

Thusm, the line has equation

#y=3x+1#.