A rectangular cooler is 18 inches long, 12 inches wide, and 12 inches deep, what is the volume of the cooler?
1 answer:
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To apply the quadratic formula, the right side must be equal to 0.
Now you can apply the quadratic formula
to find the solution for w.
(The quadratic formula is highly unnecessary in this problem, however. You could easily divide all values by 2 to get w²-14w+49=0, which factors into (w-7)²=0, for which 7 is the only solution which puts a factor of the quadratic equal to 0.)
Now you can apply the quadratic formula
(The quadratic formula is highly unnecessary in this problem, however. You could easily divide all values by 2 to get w²-14w+49=0, which factors into (w-7)²=0, for which 7 is the only solution which puts a factor of the quadratic equal to 0.)
