Multiplying and Dividing Rational Expressions — Quiz
Question 4 • Algebra: Concepts and Connections
Which expression will simplify to 1 ? Assume m is not equal to 9 and m is not equal to negative 9
Answer
A
open paren the fraction with numerator m plus 9 and denominator m minus 9 close paren times open paren the fraction with numerator 9 plus m and denominator 9 minus m close paren
B
open paren the fraction with numerator m plus 9 and denominator m minus 9 close paren times open paren the fraction with numerator m minus 9 and denominator m plus 9 close paren
C
open paren the fraction with numerator m plus 9 and denominator m minus 9 close paren times open paren the fraction with numerator m plus 9 and denominator m minus 9 close paren
D
open paren the fraction with numerator m plus 9 and denominator m minus 9 close paren times open paren the fraction with numerator 9 minus m and denominator 9 plus m close paren