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A line is perpendicular to y=-1/2x-1 and intersects the point (6, 9). What is the equation of this perpendicular line?
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A line is perpendicular to y=-1/2x-1 and intersects the point (6, 9). What is the equation of this perpendicular line?

User Ankur Khandelwal
by
4.8k points

1 Answer

6 votes

Answer:

y = 2x - 3

Explanation:

slope of perpendicular line must be 2

use (6,9) and slope of 2 to find 'b', or the y-intercept

9 = 2(6)+b

9 = 12 + b

-3 = b

y = 2x - 3

User Khollenbeck
by
5.2k points
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