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ciecey
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Which of the following is the equation of a line perpendicular to the line y=(3/2)x+4 , passing through the point (3,9)?
 2 years ago
 2 years ago
ciecey Group Title
Which of the following is the equation of a line perpendicular to the line y=(3/2)x+4 , passing through the point (3,9)?
 2 years ago
 2 years ago

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Loujoelou Group TitleBest ResponseYou've already chosen the best response.0
K for this, whenever a line is prependicular to another, the slope is the negative reciprocal. Negative Reciprocal means that the slope, 3/2 will turn into the reciprocal (opposite) 2/3, and the it'll switch signs, from negative to positive, or positive to negative. That means our slope is 2/3. Now we do pointslope formula again yy1=m(xx1) m=slope which is 2/3 and (x1,y1)= (3,9) Now we pluck in the stuff in and solve :) y9=2/3(x3) [First we distribute what's in parenthesis] y9=2/3x2 [Now we add 9 to both sides] y=2/3x+7 > and that's our answer Hope that helps :)
 2 years ago
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