Homework Help: math

Posted by MARIANNE on Saturday, August 28, 2010 at 1:24am.

The base of a rectangle is 2cm greater than its height. Find the base and the height of the parallelogram if the area of the parallelogram is 120 cm2. Can this be shown as a quadratic and factored?

math - Damon, Saturday, August 28, 2010 at 9:30am
b = h+2
bh = 120
(h+2)h = 120
h^2 + 2 h - 120 = 0

(h-10)(h+12) = 0
h = 10
b = 12

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