Algebra Class: Factoring Trinomials

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Questions and Answers

Which of the following is not factorable using integer coefficients?

  • 4x² + 25x + 25
  • x² + 6x − 2 (correct)
  • m² − 9m + 14
  • b² − b − 30

Which of the following trinomials can be factored by first factoring out a greatest common factor?

  • m² − 9m + 14
  • 20x² + 13x + 2
  • 5x² − 37x + 14
  • 6x² + 3x − 108 (correct)

Which of the following trinomials is a perfect square trinomial?

  • 5x² − 37x + 14
  • 4x² + 25x + 25 (correct)
  • m² − 9m + 14
  • 6x² + 3x − 108

Which of the following trinomials is not factorable using integer coefficients?

<p>x² + 6x − 2 (B)</p> Signup and view all the answers

Which of the following trinomials has a leading coefficient that is not 1?

<p>6x² + 3x − 108 (A), 5x² − 37x + 14 (B)</p> Signup and view all the answers

Flashcards

Factoring Trinomials

The process of expressing a trinomial as a product of two binomials.

Factor of 4x² + 25x + 25

Factored form is (4x + 5)(x + 5).

Unfactorable Polynomial

A polynomial that cannot be expressed as a product of binomials using integers.

Factoring 6x² + 3x − 108

The factored form is 3(2x - 9)(x + 4).

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Example of Factorable Polynomial

m² - 9m + 14 = (m - 2)(m - 7).

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Study Notes

Trinomial Factoring

  • Identify trinomials that can be factored based on given criteria.
  • Criteria include having a common factor or not able to be factored.
  • Multiple examples demonstrate factoring trinomials and identifying those that cannot be factored.

Factoring Trinomials

  • Show factoring procedures for different trinomials.
  • Examples include 4x² + 25x + 25, 6x² + 3x - 108 and 5x² - 2x - 35.
  • Show factored expressions and steps taken to arrive at the answer.

Unfactorable Trinomials

  • Identify trinomials that cannot be factored.
  • Examples include m² - 9m + 14, and x² + 6x - 2.
  • Provide explanation based on the property of factors.

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