#### Answer

Parallel to the x-axis when a = 0
Parallel to the y-axis when b = 0

#### Work Step by Step

When a = 0, y = $\frac{c}{b}$, which is parallel to the x-axis
When b = 0, x = $\frac{c}{a}$, which is parallel to the y-axis

Published by
W. H. Freeman

ISBN 10:
1464125260

ISBN 13:
978-1-46412-526-3

Parallel to the x-axis when a = 0
Parallel to the y-axis when b = 0

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