SOLUTION: need a rectangle. width must be 1ft less than length area=12 square feet what are widths?

Question 240522: need a rectangle.
width must be 1ft less than length
area=12 square feet
what are widths?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Let

represent the width. Then

represents the length. Since the area of a rectangle is the length times the width:

Put the quadratic in standard form:

Now all you need to do is solve the quadratic and take the positive root as the width and add 1 to get the length. Hint: It factors.

-3 times 4 = -12

John

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