Which statement(s) is (are) true? Select ALL that apply.

All integers are rational numbers.

All natural numbers are integers.

All integers are whole numbers.

All rational numbers are integers.

All rational numbers are natural numbers.

Are $$\frac{19}{8}$$ and 2.375 equivalent, and why?

Yes. The values are equivalent because $$\frac{19}{8}$$ simplifies to $$2\frac{3}{8}$$ which simplifies to 2.375.

No. The values are not equivalent because $$\frac{19}{8}$$ , when written as a decimal, has a repeating decimal.

No. The values are not equivalent because $$\frac{19}{8}$$ is irrational and cannot be written as a fraction.

Yes. The values are equivalent because $$\frac{19}{8}$$ simplifies to $$2\frac{1}{8}$$ , which is equivalent to 2.375.

Mr. Cole gave Abigail the fraction in the table and asked her to write the equivalent decimal and percentage for the fraction. The table shows Abigail’s response. Did Abigail compute both the decimal and percentage correctly , and why?

Abigail did not compute the percentage correctly. The percentage is not equivalent to the fraction.

Abigail did not compute both values correctly because neither the decimal nor the percentage is equivalent to the fraction.

Abigail did not compute the decimal correctly. The decimal is not equivalent to the fraction.

Abigail computed both the values of the decimal and the percentage correclty.

Which defines an irrational number correctly?

A number that cannot be expressed as a fraction.

A number ending with a repeating decimal.

A number ending with a terminating decimal.

A number that with a square root that is an integer.

How is the product of a rational, nonzero number and an irrational number different from the product of 2 irrational numbers?

The product of a rational, nonzero number and an irrational number is always irrational, but the product of 2 irrationals is sometimes rational.

The product of a rational, nonzero number and an irrational number is always irrational, but the product of 2 irrationals is never rational.

The product of a rational, nonzero number and an irrational number is never irrational, but the product of 2 irrationals is sometimes rational.

The product of a rational, nonzero number and an irrational number is never irrational, but the product of 2 irrationals is always rational.

Which best describes the product of $$4\pi$$ and $$\frac{4}{\pi}$$ ?

The product is rational because the product of two irrational numbers is sometimes rational.

The product is rational because the product of two rational numbers is rational.

The product is irrational because the product of two irrational numbers is sometimes irrational.

The product is irrational because the product of two rational number is irrational.

Which statement is true?

The product $$\sqrt[]{3}\cdot\sqrt[]{12}$$ is rational because $$\sqrt[]{3\cdot12}$$ can be expressed as a fraction.

The product $$\sqrt[]{3}\cdot\sqrt[]{12}$$ is rational because the product of two irrational numbers cannot be expressed as a fraction.

The product $$\sqrt[]{3}\cdot\sqrt[]{12}$$ is irrational because $$\sqrt[]{3\cdot12}$$ can be expressed as a fraction.

The product $$\sqrt[]{3}\cdot\sqrt[]{12}$$ is irrational because the product of two irrational numbers cannot be expressed as a fraction.

Which choice best describes how to plot an approximation for $$\sqrt[]{14}$$ on a number line?

Determine two numbers with squares that are directly below and above 14, resulting in 3 and 4. Place a point between 3 and 4 on the number line.

Divide 14 by 2, resulting in 7, and then square the result. Place a point representing $$7^2$$ on the number line.

Square 14, resulting in 196, and then divide the result by 2. Place a point on the number line in the position closest to the resulting dividend, 98.

Multiply 14 by 2 to get 28. Find two numbers with squares that are above and below 28 on the number line, resulting in 5 and 6. Place a point between 5 and 6 on the number line.

8th Grade Math Chapter 8 Practice Quiz

Authored by Andrew Holt

Mathematics

8th Grade

CCSS covered

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20 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

A gallon of paint will cover 144 square feet of floor space. What are the dimensions of the largest square floor that the gallon of paint will cover?

12 ft X 12 ft

72 ft X 72 ft

144 ft X 144 ft

288 ft X 288 ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

MATH RESPONSE QUESTION

2 mins • 1 pt

In a math game, Bradley was supposed to find the square root of a number. Instead he squared the number and said "81."
What number should Bradley have given?

Mathematical Equivalence

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The area of a square field is 625 square meters. What is the perimeter of the field?

312.5 meters

156.5 meters

100 meters

25 meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tags

CCSS.8.EE.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which choice represents inverse operations?

DROPDOWN QUESTION

2 mins • 1 pt

2,000 times larger

2 times larger

1,000 times larger

Tags

CCSS.5.NBT.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Maria is incorrect because she did not subtract the exponents.

Maria is incorrect because she did not subtract 2 from 4.2.

Maria is incorrect because she did not multiply the exponents.

Maria is incorrect because she did not add the exponents.

Tags

CCSS.8.EE.A.4

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8th Grade Math Chapter 8 Practice Quiz

A gallon of paint will cover 144 square feet of floor space. What are the dimensions of the largest square floor that the gallon of paint will cover?

In a math game, Bradley was supposed to find the square root of a number. Instead he squared the number and said "81."What number should Bradley have given?

The area of a square field is 625 square meters. What is the perimeter of the field?

Which choice represents inverse operations?

Access all questions and much more by creating a free account

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Discover more resources for Mathematics

In a math game, Bradley was supposed to find the square root of a number. Instead he squared the number and said "81."
What number should Bradley have given?