Gradient of a Line Jeopardy

Reading Graphs

100

What is the Gradient of a horizontal line?

Zero

200

What is the gradient of a vertical line?

Undefined

Using the Formula

100

What is the gradient formula?

m = (y₂-y₁)/(x₂-x₁)

200

Find the gradient through (2,3) and (4,7)

2

Parallel vs. Perpendicular

100

Parallel lines have ___ gradients

Equal

200

If m = -3/2, what is the perpendicular gradient?

2/3