mkc
Write the equation of the line that is perpndicular to the line y = 2x 4 and passes through the point (1, 3)



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Luigi0210
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When finding a perpendicular equation you use the negative reciprocal of the slope

Luigi0210
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So do you know the slope?

mkc
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2x

Luigi0210
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Well that's the original.. but the perpendicular slope is 1/2

mkc
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oh

Luigi0210
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so use yy1=m(xx1)

mkc
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y(3) = 1/2(x1)

Luigi0210
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Correct! Now simplify it and write the final equation

mkc
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0= 1/2x 3 1/2