Question

Write an equation of the line in​ point-slope form that passes through the given points. (1,4) and (2,8)

Answer 1

y = 4x

Explanation:

Slope: (y-y)/(x-x) = (8-4)/(2-1) = 4/1 = 4

Point: (1,4))

y-y = m(x-x)

y - 4 = 4(x - 1)

y - 4 = 4x - 4

y = 4x - 4 + 4

y = 4x