Quadratics Practice

Quadratics Practice

Assessment

Flashcard

Mathematics

8th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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14 questions

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1.

FLASHCARD QUESTION

Front

What is a quadratic equation?

Back

A quadratic equation is a polynomial equation of the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.

2.

FLASHCARD QUESTION

Front

What is the standard form of a quadratic equation?

Back

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

3.

FLASHCARD QUESTION

Front

What does the discriminant tell us about a quadratic equation?

Back

The discriminant (D = b² - 4ac) indicates the nature of the roots: D > 0 means 2 real solutions, D = 0 means 1 real solution, and D < 0 means 2 complex solutions.

4.

FLASHCARD QUESTION

Front

How do you calculate the discriminant of the quadratic equation 2x² - x + 8?

Back

D = (-1)² - 4(2)(8) = 1 - 64 = -63.

5.

FLASHCARD QUESTION

Front

What are the zeros of a quadratic equation?

Back

The zeros (or roots) of a quadratic equation are the values of x that make the equation equal to zero.

6.

FLASHCARD QUESTION

Front

How do you find the zeros of the quadratic equation x² - 4x = 0?

Back

Factor the equation: x(x - 4) = 0. The zeros are x = 0 and x = 4.

7.

FLASHCARD QUESTION

Front

What is the vertex of a quadratic function?

Back

The vertex is the highest or lowest point of the parabola represented by the quadratic function.

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