Question

Four lines are plotted on the coordinate plane.

Line 1
-10
Line 1
Line 2
Line 3
-10
O Line 4
10
Which line shows a proportional relationship?
Line 2
Line 3
Line 4

Answer 1

Line 3

Explanation:

Proportional relationship:

• They are straight lines that have a constant slope

• The line must pass through the origin at (0,0)

• The y intercept is zero

The only line passing through the origin at the point (0,0), is Line 3