Question

A line with a slope of 4 passes through

the point (2, 1). What is the equation of
this line?

Answer 1

y = 4x - 7

Explanation:

Slope = 4 ; x1 = 2 , y1 = 1

Slope point form: y -y1 = m(x -x1)

y - 1 = 4(x - 2)

y - 1 = 4x - 2*4

y -1 = 4x - 8

y = 4x - 8 +1

y = 4x - 7