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Back to 2.2 Graphs of Linear Functions

Identifying Parallel and Perpendicular Lines

Avg difficulty 2.5

Given the functions below, identify the functions whose graphs are a pair of parallel lines and a pair of perpendicular lines.

f(x)=2x+3 h(x)=−2x+2 g(x)= 1 2 x−4 j(x)=2x−6 \begin{matrix}f \left(x\right) = 2 x + 3 & & h \left(x\right) = - 2 x + 2 \\ g \left(x\right) = \frac{1}{2} x - 4 & & j \left(x\right) = 2 x - 6\end{matrix}

OpenStax Precalculus 2e, 2.2 Graphs of Linear Functions, exercise 12

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.