Question

Which of the following has a slope of 2 and a y-intercept of -4?
(Points : 4)
y = -2x + 4


y = 2x + 4

y = 2x -4

y = -2x - 4

Answer 1

y= 2x - 4
When x = 0, y = -4
When x = 1, dy/dx = 2

Answer 2

Or rather, m = 2
Use y = mx + c