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Which of the following is the equation of a line perpendicular to the line y[= -10x +1, passing through the point (5,7) A. 1/10x-y= -13/2 B -1/10x-y=13/2 C 1/10x+y= -13/2 D -1/10x+y= -13/2
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Which of the following is the equation of a line perpendicular to the line y[= -10x +1, passing through the point (5,7)

A. 1/10x-y= -13/2
B -1/10x-y=13/2
C 1/10x+y= -13/2
D -1/10x+y= -13/2

User Zuul
by
8.2k points

1 Answer

1 vote
Answer: A

Explanation: When finding the slope that is perpendicular to another you simply take the inverse of it. the inverse of -10 is 1/10. now you are left with A or C as an option. you then plug in 5 for x and 7 for y and you find that the solution that works is A.
User Lam Luu
by
8.5k points
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