Question

What is the point-slope form of a line with slope 3 that contains the point (2,1)?

A. y+1=3(x+2)
B. y-2=3(x+1)
C. y-1=3(x-2)
D. y-2=3(x-1)

Answer 1

A)
`y-1=3(x-2)`

Explanation:

Point-slope formula.

`y-y_1=m(x-x_1)`

Given.

Slope (m) = 3

Points (x, y) = (2, 1)