Question

Lines a and b are parallel Line cis perpendicular to both line a and line b. Which

statement about lines a, b, and is NOT true?
CLEARCH
Line a and line b have the same slope.
The sum of the slopes of line b and line cis 0.
The product of the slopes of line cand line bis -1.
The product of the slopes of line a and line cis -1.

Answer 1

c

Explanation:

Answer 2

see below

Explanation:

The slopes of parallel lines are the same. The slopes of perpendicular lines are negative reciprocals of each other, hence their product is -1.

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For the most part, the concept of adding slopes of lines does not relate to parallel or perpendicular lines in any way.