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OpenStudy (anonymous):
Evaluate 8(x - 3y) when x = 2 and y = 4 a. 112 b. 80 c. -80 d. -16
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OpenStudy (anonymous):
blah;(
Directrix (directrix):
@khrisangel What is the missing symbol in 8(x 3y)? (between x and 3y)
OpenStudy (anonymous):
8(x-3y)
OpenStudy (aripotta):
i would distribute first, then substitute
OpenStudy (aripotta):
or not, it's easy both ways
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Directrix (directrix):
8(x - 3y) = 8[ (2) - 3(4) ] = 8 [ 2 - 12 ] = 8 [ -10 ] = - 80
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