PSAT Practice

PSAT Practice

Assessment

Flashcard

Mathematics

10th Grade

Practice Problem

Hard

CCSS
6.RP.A.3C, HSF-IF.C.7A, 8.EE.C.8B

+5

Standards-aligned

Created by

Wayground Content

Used 1+ times

FREE Resource

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15 questions

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1.

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, where a, b, and c are constants.

2.

FLASHCARD QUESTION

Front

If a parabola opens upwards, what can you say about the value of 'a'?

Back

If a parabola opens upwards, the value of 'a' is positive.

Tags

CCSS.HSF-IF.C.7A

3.

FLASHCARD QUESTION

Front

How do you find the vertex of a parabola given in standard form?

Back

The vertex of a parabola in standard form y = ax² + bx + c can be found using the formula x = -b/(2a).

4.

FLASHCARD QUESTION

Front

What is the relationship between the roots of a quadratic equation and its graph?

Back

The roots of a quadratic equation are the x-intercepts of its graph, where the parabola intersects the x-axis.

5.

FLASHCARD QUESTION

Front

How do you convert gallons to ounces?

Back

To convert gallons to ounces, multiply the number of gallons by 128 (since 1 gallon = 128 ounces).

Tags

CCSS.4.MD.A.1

6.

FLASHCARD QUESTION

Front

What is the formula to calculate the percentage decrease?

Back

Percentage decrease = ((original value - new value) / original value) × 100.

Tags

CCSS.6.RP.A.3C

7.

FLASHCARD QUESTION

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables that are solved together.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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