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.
OpenStax, Elementary Algebra 2e · §4.6 Find the Equation of a Line · Exercise 118
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.