Unit 3B Test Review

Unit 3B Test Review

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the general form of a quadratic equation?

Back

The general form of a quadratic equation is y = ax^2 + bx + c, where a, b, and c are constants and a ≠ 0.

2.

FLASHCARD QUESTION

Front

How do you graph a system of inequalities?

Back

To graph a system of inequalities, first graph each inequality as if it were an equation. Use a dashed line for < or > and a solid line for ≤ or ≥. Then, shade the appropriate region for each inequality, and the solution is where the shaded regions overlap.

3.

FLASHCARD QUESTION

Front

What does the vertex of a parabola represent in a quadratic function?

Back

The vertex of a parabola represents the maximum or minimum point of the quadratic function, depending on the direction of the parabola (upward or downward).

4.

FLASHCARD QUESTION

Front

How do you find the x-intercepts of a quadratic equation?

Back

To find the x-intercepts of a quadratic equation, set y = 0 and solve the equation ax^2 + bx + c = 0 using factoring, completing the square, or the quadratic formula.

5.

FLASHCARD QUESTION

Front

What is the quadratic formula?

Back

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

6.

FLASHCARD QUESTION

Front

What does it mean for a quadratic inequality to be satisfied?

Back

A quadratic inequality is satisfied when the values of x make the inequality true, meaning the corresponding y-values fall within the specified range.

7.

FLASHCARD QUESTION

Front

How do you determine the direction of a parabola?

Back

The direction of a parabola is determined by the sign of the coefficient 'a' in the quadratic equation y = ax^2 + bx + c. If a > 0, the parabola opens upward; if a < 0, it opens downward.

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