OpenStax, Elementary Algebra 2e §4.6 Find the Equation of a Line · Exercise 118 · Algebra · Graphs

Find the Equation of a Line · Exercise 118

Explain in your own words why the slopes of two perpendicular lines must have opposite signs.

This is an open-ended exercise: its source gives no single answer.

~8 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §4.6 Find the Equation of a Line · Exercise 118

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