Question

What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?


y = 2x - 2
y = - 2x + 2
y = 2x + 2

Answer 1

c

Answer 2

You're given 2 points
(-1,0) and (0,2)
So we know the first equation is not true because the y-intercept is a positive 2
To find the slope, use this formula (y2-y1)/(x2-x1)

(2-0)/(0-(-1)
So the answer is 2
slope is 2
y-intercept is 2
y=2x+2