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Find the slope of a line perpendicular to the line passing through the given two points. See Example $9 .$$\left(-2, \frac{1}{2}\right)$ and $\left(-1, \frac{3}{2}\right)$
-1
Algebra
Chapter 3
Graphing Linear Equations and Inequalities in Two Variables; Functions
Section 4
Slope and Rate of Change
Graphs and Statistics
Equations and Inequalities
Linear Functions
Systems of Equations and Inequalities
McMaster University
University of Michigan - Ann Arbor
Idaho State University
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Okay, So here's the plan. We have these two points. We'll find the slope of the line between them, and then we'll find the opposite reciprocal of that and that will be the slope of are perpendicular line. So the slow between these two points would be three halves, minus 1/2 over negative one minus negative, too. And that would be 1/1, which is one. And so the perpendicular line would have the opposite reciprocal slope and the opposite reciprocal opposite reciprocal of one is negative one.
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