Fitting Linear Models to Data · Review Exercise 61

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 · Review Exercise 61