critical value
Chinese equivalent: 临界值
critical value Values that make the rational expression zero or undefined, used to partition intervals for sign analysis.
Syllabus path: Sets and Inequalities › Basic Properties and Solutions of Inequalities › Rational Inequalities
CSCA Exam Prep
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CSCA Mathematics Exam Glossary
Definition
critical value Values that make the rational expression zero or undefined, used to partition intervals for sign analysis.
Related tutorial and examples
Rational Inequalities
Rational Inequalities Rational inequalities are a common source of errors in the CSCA exam. The main traps are division by zero and multiplying by the denominator blindly. 1. Core Method: Equivalent Transformation The most efficient way is not case analysis, but transforming the …
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