rectangle area= 88 inches, length= 12 inches longer than its width, Find the dimensions of this sign?
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

If w=width, then length=w+12, so area in square inches=88=w(w+12).

w^2+12w=88; w^2+12w+36=88+36 (completing the square);(w+6)^2=124; w+6=+sqrt(124)=+2sqrt(31)=+11.14.

So w=11.14-6=5.14" and length=17.14" (the other solution is negative, so can be ignored).

by Top Rated User (1.0m points)
5 Common Cat Behaviours And What Th...
5 Common Cat Behaviours And What They Mean

Related questions

Welcome to, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
87,138 questions
97,020 answers
24,439 users