Concept explainers
Choose the correct term to complete the sentence.
Answer to Problem 1CR
A value of x for which a rational function
Explanation of Solution
Given: A value of x for which a rational function
Concept Used:
The denominator of any fraction cannot have the value zero. If the denominator of a fraction is zero, the expression is not a legal fraction because its overall value is undefined.
A rational expression is undefined when the denominator is equal to zero. To find the values that make a rational expression undefined, set the denominator equal to zero and solve the resulting equation. Example:
In this question, such values of x are called excluded values, for example in the rational function
Thus, a value of x for which a rational function
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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