Solving Quadratics by Completing the Square

Solving Quadratics by Completing the Square

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the technique of completing the square, a method used to solve polynomials that cannot be factored. It begins with an introduction to the concept, followed by examples demonstrating how to factor perfect square polynomials and how to complete the square for non-factorable polynomials. The tutorial also covers handling polynomials with a coefficient on the x-squared term, emphasizing the importance of maintaining balance by performing operations on both sides of the equation.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the technique called that will always work for solving polynomials that cannot be factored?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to factor the polynomial x-squared plus 2x plus 1.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps do you take to complete the square for the polynomial x-squared plus 2x minus 6 equals 0?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of solving for x after completing the square.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you determine the value to add to both sides when completing the square?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the c-term when completing the square?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What should you do if the coefficients lead to fractions when completing the square?

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