OpenStax, Algebra and Trigonometry 2e §4.1 Linear Functions · Example 14 · Algebra · Graphs

Identifying Parallel and Perpendicular Lines

Given the functions below, identify the functions whose graphs are a pair of parallel lines and a pair of perpendicular lines.
$f (x) g (x) = = 2 x + 3 \frac{1}{2} x - 4 h (x) j (x) = = - 2 x + 2 2 x - 6$

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OpenStax, Algebra and Trigonometry 2e · §4.1 Linear Functions · Example 14

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