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Write an equation of the line that is perpendicular to y = 1/2x +3 and passes through the point (10,-5)

Write an equation of the line that is perpendicular to y = 1/2x +3 and passes through the point (10,-5)
asked 59.3k views
4 votes
Write an equation of the line that is perpendicular to y = 1/2x +3 and passes through the point

(10,-5)

asked
User Sam Axe
by
7.8k points

1 Answer

2 votes

Answer:

y = -2x+15

Explanation:


y = 1/2x +3\\m =1/2\\m_1m_2 = -1\\1/2m_2 =-1\\m_2= -2\\(10 ,-5)\\x = 10\\y = -5\\y = mx+b \\-5 = -2(10) + b\\-5=-20+b\\-5+20 =b\\b = 15\\m = -2\\Substitute -given -values- into- slope -intercept-form\\y = mx+b\\y = -2x+15

answered
User Kayak
by
8.0k points
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