alleryStart learning →The expression 5x squared plus 3x minus 7 is best classified as a:
ABinomial
BMonomial
CConstant
DTrinomial
Answer & Solution
Correct answer: D. Trinomial
1. Classification depends on counting the terms.
2. A term is a constant or the product of a constant and one or more variables.
3. This expression has three terms joined by addition and subtraction.
4. A trinomial has exactly three terms.
5. So the expression is a trinomial.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 6 'Polynomials', sections 6.1-6.8_
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