Unit 1 - Quiz 1

Simplify 20x + 3y − 8y − 7x

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• x = −12

• x = 8

• x = 7

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• Trinomial

• Binomial

• Monomial

• None of the Above

Which expression is equivalent to (10 + 7r − r2) + (−6r2 − 18 + 5r)?

• −7r² + 2r + 8

• 7r² + 12r + 8

• −7r² + 12r − 8

• 7r² + 2r − 8

• monomial

• binomial

• trinomial

• none of the above

Which expression is equivalent to x − (3x² −  x + 8) + 11 + (5x² − 22)?

• 2x² − 3

• 2x² − 19

• −8x² + x + 25

• 2x² + x − 19

• binomial

• trinomial

• monomial

• all of the above

Which expression is equivalent to 2x² + (4x − 6x²) + 9 − (6x + 3)?

• 
  -4x² − 2x + 12

• -4x² − 2x + 6

• 
  -10x + 6

• 18x + 12

Simplify the polynomial expression shown.

(1.4x − 3x² + 19) − (−5x² + 0.6x − 1) + (11 − x)

Write the terms of the simplified expression in decreasing order based on the degree of each term.

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