Which of the following numbers is rational?

7 \sqrt{7} 7 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Is the result rational or irrational? Explain.

Irrational; The sum of a rational and an irrational is always irrational.

Rational; The sum of two rationals is always rational.

Rational; The product of two rationals is always rational.

Irrational; The product of a nonzero rational and an irrational is always irrational.

Is the result rational or irrational? Explain.

Rational; The sum of two rationals is always rational.

Irrational; The sum of a rational and an irrational is always irrational.

Rational; The product of two rationals is always rational.

Irrational; The product of a nonzero rational and an irrational is always irrational.

What is the definition of an integer

All positive and negative whole numbers

Decimals or fractions that terminate for repeat

What is true about irrational numbers?

They are non-repeating decimals.

Which represents a rational number?

225 \sqrt{225} 2 2 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

110 \sqrt{110} 1 1 0 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

65 \sqrt{65} 6 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

80 \sqrt{80} 8 0 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Which of the following is rational ?

21 \sqrt{21} 2 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Which of the following contains only rational numbers?

4. 19 ‾ , 25 % , 1 , − 5 4.\overline{19},\ 25\%,\ \sqrt{1},\ -5 4 . 1 9 , 2 5 % , 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , − 5

5.9 , 8.44 , 7 π , − 2 3 5.9,\ 8.44,\ 7\pi,\ -\frac{2}{3} 5 . 9 , 8 . 4 4 , 7 π , − 3 2

4 7 , 42 , 0.99 , 15 % \frac{4}{7},\ \sqrt{42},\ 0.99,\ 15\% 7 4 , 4 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , 0 . 9 9 , 1 5 %

8.009 , 0 , 3 2 , − 9 8.009,\ 0,\ \frac{3}{\sqrt{2}},\ -9 8 . 0 0 9 , 0 , 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> 3 , − 9

Which statement is NOT true?

Every decimal number is an irrational number.

Every rational number is a real number.

Every counting number is a whole number.

Every integer is a rational number.

Which statement is not true?

5.12345.... is an irrational number

0.121212...is a rational number.

0.34353637 is an irrational number

Operations on Real Numbers

Authored by Christine Dinninger

Mathematics

8th Grade

CCSS covered

Used 6+ times

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39 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The following set of numbers are called what?
{0, 1, 2, 3....}

Whole numbers

Integers

Plain Numbers

Irrational numbers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A REPEATING decimal is what type of number?

Rational

Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The square root of 57 is ...

rational

irrational

Tags

CCSS.8.NS.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following number is rational?

$\sqrt{127}$

$\pi$

$2.5$

$8.98763...$

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following numbers is irrational?

$\sqrt{50}$

$\sqrt{36}$

$\sqrt{169}$

$\sqrt{225}$

Tags

CCSS.8.NS.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine if the $\sqrt{324}$ is rational or irrational.

Rational

Irrational

Tags

CCSS.8.NS.A.1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine which of the following examples is irrational.

A fraction whose denominator is larger than its numerator

A decimal that never ends but repeats

A perfect cube root

A decimal that never ends and never repeats

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select ALL numbers that are irrational.

-21

$\pi$

$\frac{10}{2}$

$\sqrt{10}$

Tags

CCSS.8.NS.A.1

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select ALL numbers that are rational.

$\sqrt{289}$

$\sqrt{6}$

$\pi$

$6\frac{7}{9}$

10.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an irrational number?

$\sqrt{0}$

$\sqrt{3}$

$1\overline{.36}$

$-0.19$

Tags

CCSS.8.NS.A.1

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Operations on Real Numbers

The following set of numbers are called what?{0, 1, 2, 3....}

A REPEATING decimal is what type of number?

The square root of 57 is ...

Which of the following number is rational?

Which of the following numbers is irrational?

Determine if the 324\sqrt{324}324​ is rational or irrational.

Determine which of the following examples is irrational.

Select ALL numbers that are irrational.

Select ALL numbers that are rational.

Which of the following is an irrational number?

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Discover more resources for Mathematics

The following set of numbers are called what?
{0, 1, 2, 3....}

Determine if the $\sqrt{324}$ is rational or irrational.