Question

Write the

equation of the line that
passes through the point (3,-1) and has a slope of
2

Answer 1

y = 2x - 7

Explanation:

y = mx + b

m is known (m=2):

y = 2x + b

Since one point is known (3,-1), you can solve for b:

-1 = 2(3) + b

b = -7

So the equation is:

y = 2x - 7