Rational, Irrational Numbers, and Pythagorean Theorem

Which of the following numbers is rational: √2, 0.75, π, 3.14?

• √2

• π

• 2.5

• 0.75, 3.14

Calculate the value of √16.

• 4

• 2

• 6

• 8

Identify the irrational number among the following: 0.5, √2, 1.25, 2/3.

• 1.25

• √2

• 0.5

• 2/3

Tags

CCSS.8.NS.A.1

If a right triangle has legs of length 3 and 4, what is the length of the hypotenuse?

• 7

• 5

• 6

• 8

Tags

CCSS.8.G.B.7

What is the square root of 25?

• 3

• 7

• 5

• 10

Tags

CCSS.8.EE.A.2

In a right triangle with legs of length 5 and 12, what is the length of the hypotenuse?

• 10

• 15

• 13

• 8

Tags

CCSS.8.G.B.7

Simplify √81.

• 7

• 9

• 10

• 12

Tags

CCSS.8.EE.A.2

Is 0.333... a rational or irrational number?

• natural

• irrational

• rational

• whole

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

If one leg of a right triangle is 8 and the hypotenuse is 10, what is the length of the other leg?

• 4

• 6

• 12

• 14

Tags

CCSS.8.G.B.7

Determine if √64 is a rational or irrational number.

• natural

• whole

• rational

• irrational