br6inaKaleAsha br6inaKaleAsha

17-06-2016
Mathematics

contestada

Which pair of lines is perpendicular?
a. y=2x-1 and2y=-x+3
b. y=3x+4nand3y-x=5
c. y=-4x+2 and x+4y=6
d. y=-6x-3 and 6x-y=4

Respuesta :

18-06-2016

Hello,

Answer A

m_1=2
m_2=-1/2
m_1*m_2=-1

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