Answer
C.
Work Step by Step
For $\frac{n-2}{2-n}$, we can factor out a negative from the denominator.
$\frac{n-2}{2-n} = \frac{n-2}{-(-2+n)}=\frac{n-2}{-(n-2)}$
We can now cancel out the common factor $(n-2)$
$\frac{n-2}{-(n-2)}$ = -1
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Standardized Test Prep - Page 657: 54
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