Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 8 - Coordinate Geometry and Linear Systems - 8.4 - Writing Equations of Lines - Concept Quiz 8.4 - Page 359: 3



Work Step by Step

One of the criteria for the standard form of the equation of a line, $Ax+By=C$, is that $A$ must be a positive integer. Therefore, $A$ cannot be any rational number in fractional form, such as $\frac{1}{2}$, because that would make it a non-integer.
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