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GED Math Preparation Quiz

Authored by Angela Lowe

Mathematics

12th Grade

CCSS covered

Used 14+ times

GED Math Preparation Quiz
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24 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Answer explanation

Combine like terms by adding the coefficients of x: 2x + x = 3x. Then, combine the constants: -3 + 4 = 1. Therefore, the simplified expression is 3x + 1.

Tags

CCSS.7.EE.A.1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Answer explanation

To solve the equation, add 5 to both sides to isolate x: 3x = 21. Then divide by 3 to find x = 7, which is the correct answer.

Tags

CCSS.7.EE.B.4A

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Answer explanation

The correct roots of the quadratic equation are x = -1 and x = 5 after factoring the equation x^2 - 4x - 5 = 0.

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is a rational number?

Answer explanation

The rational number is a number that can be expressed as a fraction. Among the choices, only \(\frac{5}{2}\) is a rational number because it can be written as a fraction.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

5 units

10 units

15 units

3 units

Answer explanation

Let the width be x. Then, the length is 2x + 5. Given A = lw = 75, substituting in the values, we get x(2x + 5) = 75. Solving for x gives x = 5 units.

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the median of the following set of numbers: 3, 7, 9, 13, 14?

7

9

11

13

Answer explanation

The median is the middle number when the numbers are arranged in ascending order. In this set, when arranged in ascending order, the middle number is 9, making it the median.

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Answer explanation

To simplify the expression, combine like terms: (3x^2 - 2x + 1) - (2x^2 - 3x - 4) = 3x^2 - 2x + 1 - 2x^2 + 3x + 4 = x^2 + x + 5

Tags

CCSS.HSA.APR.A.1

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