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Monomials, Binomials, and Trinomials

Key Takeaways:

  • Term- collection of numbers and/or variables multiplied together

  • Monomial- expression with one term

  • Binomial- expression with two terms

  • Trinomial- expression with three terms

  • Polynomial- expression with three or more terms

  • Terms are always separated by addition and subtraction ONLY

  • Multiplication and division are "within" or make a term

Practice Questions

Determine if the expression is a monomial, binomial, or trinomial.

1. 4x

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2. 3 + 7

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3. (5 * 7) + 3

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4. 3x^2

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5. 5x - 2y - 4z

6. 2/3

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7. 8 * 5 / 4

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8. 3 + π

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9. 2x^2 + 4zy - 22n^5

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10. 2 * 4 * 6 * 1 * 0 * 29 * 3 / 1

Answer Key

1. Monomial

2. Binomial

3. Binomial

4. Monomial

5.Trinomial
6. Monomial
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7. Monomial 
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8. Binomial 
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9. Trinomial 
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10. Monomial
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