How to identify when a trinomial is not factorable

How to identify when a trinomial is not factorable

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to factor a trinomial where the leading coefficient is greater than one. It introduces the AC method, which involves multiplying the coefficients a and c, and finding factors of this product that add up to the middle coefficient b. The tutorial demonstrates the process with an example, showing that the trinomial is not factorable as no suitable factors exist. The video concludes by stating that the trinomial is already in its simplest form.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the AC method used for in factoring trinomials?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Given a = 6, b = -1, and c = 5, what is the value of a * c?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What can be concluded if the factors of a * c are both negative but their sum is positive?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

List the factors of 30 that could potentially be used in factoring the trinomial.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is the trinomial not factorable in this case?

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