Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
Continue to next subchapter

Exercise 34 Page 718

Just like with fractions, we cannot divide by 0 in rational functions.

x ≠ 0

Practice makes perfect
Consider the given rational function.

f(x)=5/x To identify the excluded value, we must remember that the denominator cannot be 0 because division by 0 is not defined. Since the denominator is a single term, any variable appearing in the denominator cannot equal 0. x ≠ 0