madisonr1
madisonr1
07-09-2017
Mathematics
contestada
Please answer this, I really need help ):
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choixongdong
choixongdong
07-09-2017
Answer is (b)
The lines are perpendicular
y = 1/3 x has slope = 1/3
y = -3x +1 has slope = -3
perpendicular line, slope is opposite and reciprocal. (one is 1/3 and other is -3)
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