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An equation true for one value of the variable and false for every other is called what?
AAn identity equation
BA conditional equation
CA contradiction case
DA linear inequality
Answer & Solution
Correct answer: B. A conditional equation
1. Substituting one particular number makes the equation true.
2. Substituting any other number makes it false.
3. An equation that behaves this way is called a conditional equation.
_Source: OpenStax Intermediate Algebra (CC BY 4.0), Ch 2 "Solving Linear Equations", section 2.1 Use a General Strategy to Solve Linear Equations_
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