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Norma-Jean [14]
3 years ago
15

Line r passes through points (8,10) and (2,3). Line s is perpendicular to r. What is the slope of line S?

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

               -\dfrac67

Step-by-step explanation:

slope of r:

                  a_r=\dfrac{10-3}{8-2}=\dfrac76

s is perpendicular to r:

s\perp r\ \ \implies\ \ a_s\cdot a_r=-1\\\\a_s\cdot\dfrac76=-1\\\\a_s=-\dfrac67

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