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Hurry please
Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through
the point (9,-2)
A. y=-1/3x +1
B. y=-1/3x-5
C. y=1/3x-5
D. y = 3x-29

Sagot :

satava024

Answer:

y=3x-7

Step-by-step explanation:

To find the equation of a perpendicular line, you first need to find the negative reciprocal of the slope given. The slope is -1/3, so the slope of the perpendicular line will be 3

Now we just need to find the y intercept using the point (3, 2) and you can plug the coordinates in and then solve for b. Let's see what that looks like.

y=3x+b

2=3*(3)+b

2=9+b

-7=b So now we know the y-intercept and slope. We just put them together now

y=3x-7

Hope this helps!

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