Which of the following equations best represents the line segment AB?

Question

The graph below shows a line segment AB:

Which of the following equations best represents the line segment AB?

y = −3x + 2

y = −2x + 1

y = −3x −2

y = −2x −1

Answer 1

The line crosses the y-axis at 2, so the y intercept is 2.

Looking at two points (0,2) and (-1,5), the slope is -3.

so y = -3x + 2