Answered

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Identify the equation of the line perpendicular to 9x - 3y = 18.
Group of answer choices

A. y = 3x -2

B. 12x + 4y = 24

C. y = 1/3x +9

D. 3y = -x + 1

Sagot :

Answer:

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes.

The exemplar equation has slope

9x - 3y = 18

    - 3y = -9x + 18

        y = 3x - 6

m = 3

so perpendicular slope will be -1/3

D has such a slope

3y = -x + 1

 y = (-1/3)x + 1/3

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