SOLUTION: What are the dimensions, in feet, of a rectangular sign whose area is 55 square feet, whose length is given by x + 8, and whose width is given by x + 2?
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Question 478929: What are the dimensions, in feet, of a rectangular sign whose area is 55 square feet, whose length is given by x + 8, and whose width is given by x + 2? Answer by Earlsdon(6294) (Show Source):
You can put this solution on YOUR website! Start with the formula for the area of a rectangle of length L and width W: Substitute , , and to get: Simplify. Subtract 55 from both sides. Factor. Apply the "zero product" rule. or so... or Discard the negative solution as length and width are positive values. Substitute Substitute
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