Solve using  the Quadratic Formula

Solve using the Quadratic Formula

Assessment

Flashcard

Mathematics

9th Grade

Hard

CCSS
HSA-REI.B.4B, HSF-IF.C.7A

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 Quadratic Formula?

Back

The Quadratic Formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the solutions of a quadratic equation ax² + bx + c = 0.

Tags

CCSS.HSA-REI.B.4B

2.

FLASHCARD QUESTION

Front

What does the discriminant (D) indicate in a quadratic equation?

Back

The discriminant D = b² - 4ac indicates the nature of the roots of the quadratic equation: D > 0 means 2 real solutions, D = 0 means 1 real solution, and D < 0 means no real solutions.

Tags

CCSS.HSA-REI.B.4B

3.

FLASHCARD QUESTION

Front

If a quadratic equation has a discriminant of -3, how many x-intercepts does it have?

Back

0

Tags

CCSS.HSA-REI.B.4B

4.

FLASHCARD QUESTION

Front

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

Back

2

Tags

CCSS.HSA-REI.B.4B

5.

FLASHCARD QUESTION

Front

What is the standard form of a quadratic equation?

Back

The standard form of a quadratic equation is ax² + bx + c = 0.

6.

FLASHCARD QUESTION

Front

What does it mean if the discriminant is zero?

Back

If the discriminant is zero, the quadratic equation has 1 real solution.

Tags

CCSS.HSA-REI.B.4B

7.

FLASHCARD QUESTION

Front

Solve for x: x² + 2x - 8 = 0

Back

x = -4, -2

Tags

CCSS.HSA-REI.B.4B

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