You need to make a drawing to visualize the problem.

And you need to remember that the equation for the x-axis is y=0.

So there are two units of the line above the x-axis and five below.

Complete the big right triangle [with sidebar x=4 and y=-5] to calculate the ratios.

And you need to remember that the equation for the x-axis is y=0.

So there are two units of the line above the x-axis and five below.

Complete the big right triangle [with sidebar x=4 and y=-5] to calculate the ratios.