Solving a quadratic using two different factoring techniques

Solving a quadratic using two different factoring techniques

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers different methods for factoring trinomials. It begins with the simplest approach using the FOIL method, emphasizing the importance of identifying negative factors to achieve a positive product. The instructor then introduces an alternative method using the equation X^2 + BX + C, explaining how to find numbers that multiply to a product and add to a sum. Finally, the tutorial demonstrates grouping and solving equations by factoring out the greatest common factor (GCF), providing a foolproof method for students who struggle with guessing and checking.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step in factoring the trinomial mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you determine the signs of the factors when the middle term is negative?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What alternative method can be used if the factoring method is not understood?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What two numbers multiply to give you 40 and add to give you -22?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the grouping method used in factoring the trinomial.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final factored form of the trinomial discussed?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you solve the factored equation once it is set to zero?

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