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Mathematics 18 Online
OpenStudy (anonymous):

3. Which equation is the equation of a line that passes through (–10, 3) and is perpendicular to y = 5x – 7 ? (1 point) A. y=5x + 53 B. y= -1/5x - 7 C. y= -1/5x + 1 D. y= 1/5x + 5

OpenStudy (anonymous):

its C

Directrix (directrix):

m of the desired line is -1/5 because slopes of perpendicular lines multiply to -1. y - 3 =( -1/5)(x+10) Option: C

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