Question 206360
Problem #1:The product of two positive numbers is 16. Determine the numbers if the larger is 4 times the smaller.
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x*4x = 16
4x^2 = 16
x^2 = 4
x = 2, other = 8
x = -2, other = -8
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Problem #2: the length of a rectangle is 3 feet longer than ist width. Find the dimensions of the rectangle if its area is 28 square feet.
w*(w+3) = 28
w^2 + 3w - 28 = 0
(w+7)*(w-4) = 0
w = 4
L = 7