L = length; W = Width = L - 7
Area = LW = L^2 - 7L = 170
L^2 - 7L - 170 = 0
(L + 10)(L - 17) = 0
One root is extraneous and L = 17;. W = 10
Precious D.
asked • 09/28/18algebraic equation
the width of a rectangle is 7 feet less than its length. If the area of the rectangle is 170 squared feet, then find the length and width
Follow
•
1
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
