Question

What is the equation in point-slope form of the line that passes through the point (1, −1) and has a slope of 4?

Answer 1

Explanation:

the general point-slope form is

y - y1 = m(x - x1)

m is the slope.

x1 and y1 are the point coordinates.

so,

y - -1 = 4(x - 1)

and simplified

y + 1 = 4(x - 1)