Finding the Discriminant

Finding the Discriminant

Assessment

Flashcard

Mathematics

9th - 10th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for calculating the discriminant of a quadratic equation?

Back

The discriminant (d) is calculated using the formula d = b² - 4ac, where a, b, and c are the coefficients of the quadratic equation ax² + bx + c = 0.

Tags

CCSS.HSA-REI.B.4B

2.

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.

Tags

CCSS.HSA-REI.B.4B

3.

FLASHCARD QUESTION

Front

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

Back

A discriminant of zero indicates that the quadratic equation has exactly one real solution (a repeated root).

Tags

CCSS.HSA-REI.B.4B

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, but two complex solutions.

Tags

CCSS.HSA-REI.B.4B

5.

FLASHCARD QUESTION

Front

Given the quadratic equation -2x² - x - 1 = 0, what is the discriminant?

Back

The discriminant is -7.

Tags

CCSS.HSA-REI.B.4B

6.

FLASHCARD QUESTION

Front

If a quadratic function has a discriminant of 25, how many solutions does it have?

Back

It has 2 real solutions.

Tags

CCSS.HSA-REI.B.4B

7.

FLASHCARD QUESTION

Front

What is the discriminant of the quadratic equation 6x² - 2x - 3 = 0?

Back

The discriminant is 76.

Tags

CCSS.HSA-REI.B.4B

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