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zvonat [6]
4 years ago
7

PARALLEL AND PERPENDICULAR

Mathematics
1 answer:
Greeley [361]4 years ago
7 0
k:y=m_1x+b\\l:y=m_2x+c\\\\k\ ||\ l\ if\ m_1=m_2\\\\k\ \perp\ l\ if\ m_1m_2=-1

We have:
m_1=\dfrac{3}{-5}=-\dfrac{3}{5};\ m_2=\dfrac{-5}{-3}=\dfrac{5}{3}\\\\m_1m_2=-\dfrac{3}{5}\cdot\dfrac{5}{3}=-1
Answer: a perpendicular slope.

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