what is the equation of the line that is parallel to the line y=2x+7 and passes through the point (-2,1)

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21-09-2016
Mathematics

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what is the equation of the line that is parallel to the line y=2x+7 and passes through the point (-2,1)

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qkillingbeck qkillingbeck · Answer 1 · 2016-09-21T17:55:49+02:00

qkillingbeck qkillingbeck

21-09-2016

the line is parallel so the slope is the same. So the slope = 2
Using a point-slope equation we have
y-y1 = 2(x-x1)
plug in the points
y-1 = 2(x-(-2))
=> y = 2x + 4 - 1
=> y = 2x +3

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