Question

A straight line has the same gradient as y=3x+5 and it passes through the point (0,12).

What is the equation of the straight line?

Answer 1

y = 3x + 12

Explanation:

y = 3x + 5 has slope 5.

We need the equation of a line with slope 5 that passes through point (0, 12).

y - y1 = m(x - x1)

y - 12 = 3(x - 0)

y - 12 = 3x

y = 3x + 12