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4.3 Exercise 70

Avg difficulty 2.5

Use the descriptions of the pairs of lines to find the slopes of Line 1 and Line 2. Is each pair of lines parallel, perpendicular, or neither?

Line 1: Passes through $\left(5 , 11\right)$ and $\left(10 , 1\right)$

Line 2: Passes through $\left(−1 , 3\right)$ and $\left(−5 , 11\right)$

OpenStax Algebra and Trigonometry 2e, 4.3 Fitting Linear Models to Data, exercise 70

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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.