How to solve a quadratic by applying the square root method

How to solve a quadratic by applying the square root method

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve quadratic equations using the square root method. It begins by discussing the need to isolate the square term in the equation. The tutorial then demonstrates taking the square root of both sides, emphasizing the inclusion of both positive and negative roots. It also addresses the concept of complex numbers when real solutions are not possible, concluding with a summary of the method.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What method is used to solve the quadratic equation in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step taken to isolate the square term of the variable?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What do you need to include when taking the square root of both sides?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the solution X equals plus and minus sqrt(-5) indicate about the nature of the solutions?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the solution be expressed in the complex number system?

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