Question

Find the equation of the line with slope 2 and y-intercept (0,−1).

Answer 1

2x-y = 1

Explanation:

Equation of the line is y-y1 = m (x-x1), where m is the slope and (x1,y1) is a point that lies on the line.

Equation of the given line is,

y-(-1) = 2 *(x-0)

y+1 = 2x

2x-y = 1