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By definition, what is a constant in algebra?

AA letter whose value may change
BA number that must be negative
CA number whose value always stays the same
DAn operation symbol used for grouping
Answer & Solution
Correct answer: C. A number whose value always stays the same
1. The definition specifies that a constant is a number, not a letter. 2. The defining property of that number is that its value never changes. 3. This is the opposite of a variable, whose value may vary. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.2 Use the Language of Algebra_
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