Question

Find the equation of a line that passes through the point (2,1) and has a gradient of 2. Leave your answer in the form y = m x + c

Answer 1

y = 2x - 3

Explanation:

y-y1 = m(x-x1)

y-1 = 2(x-2)

y-1 = 2x -4

y-1+1 =2x -4 +1

y = 2x -3