sign chart method / number line method
Chinese equivalent: 穿根法
sign chart method / number line method A common method for solving rational inequalities using a number line and analyzing sign changes.
Syllabus path: Sets and Inequalities › Basic Properties and Solutions of Inequalities › Rational Inequalities
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CSCA Mathematics Exam Glossary
Definition
sign chart method / number line method A common method for solving rational inequalities using a number line and analyzing sign changes.
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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