How to find the discriminant of a quadratic and label the solutions

How to find the discriminant of a quadratic and label the solutions

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the importance of setting quadratic equations to zero for solving. It emphasizes labeling coefficients a, b, and c to avoid mistakes. The tutorial demonstrates using the discriminant to determine the nature of solutions, highlighting the need for careful calculation to avoid errors.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the main condition for a quadratic equation to be relevant when solving?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to label A, B, and C when solving a quadratic equation?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What mistake can occur if A, B, and C are labeled without the equation being set equal to zero?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for the discriminant in a quadratic equation?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What does a negative discriminant indicate about the solutions of a quadratic equation?

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