College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises: 3

Answer

(a) $A=x^{2}$ (b) $A=lw$ (c) $A=\pi r^{2}$

Work Step by Step

(a) A square of side $x$: $A=x^{2}$ (b) A rectangle of length $l$ and width $w$: $A=lw$ (c) A circle of radius $r$: $A=\pi r^{2}$
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