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OpenStudy (anonymous):
Which of the following equations is perpendicular to y = -2x + 1? A:y = -2x + -18 B:y = -1/2 x + -18 C:y = -x + 1 D:y = 1/2x + -1
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OpenStudy (anonymous):
D.
OpenStudy (rituraj):
Product of slopes = -1; hence d
OpenStudy (harsimran_hs4):
y = mx + c is the general equation of the line where m is slope for two lines to be perpendicular (m1 and m2 being the slopes) m1 * m2 = -1 is required condition
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