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Write the equation of a line, in slope intercept form, that has a slope of 3 and passes through the point (1, -1).

User Mhdtouban
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1 Answer

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The slope-intercept form:


y=mx+b

m - slope

b - y-intercept

We have the slope
m=3\to y=3x+b

and point (1, -1). Substitute:


-1=3(1)+b


-1=3+b subtract 3 from both sides


-4=b\to b=-4

Answer:
y=3x-4

User HBrent
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