thehumble thehumble

18-07-2018
Mathematics

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Indentify an equation in point-slope for the line perpendicular to y=3x+5

Indentify an equation in pointslope for the line perpendicular to y3x5 class=

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choixongdong choixongdong

18-07-2018

y=3x+5 has slope = 3

perpendicular lines, slope is opposite and reciprocals so slope of new line = -1/3

passing thru (4,-1)

so equation

y + 1 = -1/3(x - 4)

Answer is B

y + 1 = -1/3(x - 4)

Answer Link

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