Discriminant

Discriminant

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the discriminant in a quadratic equation?

Back

The discriminant is given by the formula b² - 4ac.

2.

FLASHCARD QUESTION

Front

How many solutions does a quadratic equation have if the discriminant is zero?

Back

The quadratic equation has exactly one real solution.

3.

FLASHCARD QUESTION

Front

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

Back

A positive discriminant indicates that the quadratic equation has two distinct real solutions.

4.

FLASHCARD QUESTION

Front

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

Back

A negative discriminant indicates that the quadratic equation has no real solutions, only two imaginary solutions.

5.

FLASHCARD QUESTION

Front

Given the quadratic equation x² + 4x + 4 = 0, what is the discriminant?

Back

The discriminant is 0.

6.

FLASHCARD QUESTION

Front

How do you convert the equation x² - 6 = x into standard form?

Back

The standard form is x² - x - 6 = 0.

7.

FLASHCARD QUESTION

Front

If the discriminant of a quadratic equation is 36, how many solutions does it have?

Back

It has two distinct real solutions.

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