Question

for each graph, decide if the two lines are parallel, perpendicular, or neither. graph 1 graph 2 graph 3 graph 4

Explanation:

Graph 1

• Step1: Check relationship

Two lines intersect at a right - angle.

Graph 2

• Step1: Check relationship

Lines are not parallel (different slopes) and not perpendicular (no right - angle).

Graph 3

• Step1: Check relationship

Lines are not parallel (intersecting) and not perpendicular (no right - angle).

Graph 4

• Step1: Check relationship

Lines have the same slope (never intersect), so they are parallel.

Answer:

Graph 1: Perpendicular
Graph 2: Neither
Graph 3: Neither
Graph 4: Parallel