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Which equation represents a line which is perpendicular to the line

6

x

+

7

y

=



42

6x+7y=−42?

Sagot :

Answer:

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Step-by-step explanation:

the equation is : y = ax+b

the slope is a : a×(2/7) = -1......( perpendicular to a line with a slope of   2/7)            because :     2x-7y =-42...y=(2/7)x+6    )      

a = -7/2         y=(-7/2)x+b

the line that passes through (6, -3) :- 3 = (-7/2)(6)+b

b =18

the equation is :  y  = (-7/2)x+18