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frozen [14]
3 years ago
9

The area of a rectangular rug is given by the trinomial r^2 - 8r - 33. What are the possible dimensions of the​ rug? Use factori

ng.
Mathematics
1 answer:
Arte-miy333 [17]3 years ago
5 0
Solve for r using factoring:
Solve for r:
r^2 - 8 r - 33 = 0


The left hand side factors into a product with two terms:
(r - 11) (r + 3) = 0

Split into two equations:
r - 11 = 0 or r + 3 = 0

Add 11 to both sides:
r = 11 or r + 3 = 0

Subtract 3 from both sides:
Answer:  r = 11 or r = -3
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