tiannaloomansp45l6e tiannaloomansp45l6e

Today at 10:09 PM
Mathematics

Answered

find the equation of the line that is parallel to the graph of 2x-7y=8 and passes through (-1,-1)

Answer :

jcherry99 jcherry99

Today at 10:14 PM

Solve for y
-7y = -2x + 8
y = (2/7)x - 8/7

A parallel line has the same slope as the given line. The slope of the given line is (2/7)

y = (2/7) x + b Now we have to find b using (-1,-1). When x = - 1 so does y
-1 = ( 2/7)*(-1) + b
-1 + 2/7 = b
b = - 5/7

The line is
y = (2/7)x - 5/7

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