Exploring Grade 8 Unit 8 Lesson 3 Concepts

What is the positive solution for x^2 = 36?

• x = 6

• x = -6

• x = 18

• x = 36

Tags

CCSS.8.EE.A.2

What is the value of x that satisfies the equation x^2 = 9/4?

• x = 2/3

• x = 3/2

• x = 3/4

• x = 4/9

Tags

CCSS.8.EE.A.2

Which of the following is a rational number?

• Square root of 37

• Square root of 2

• Pi (π)

• 7/5

What does a rational number represent?

• A number that is always positive

• A number that cannot be expressed as a fraction

• A number that can be expressed as a fraction

• A number that is not real

Tags

CCSS.5.NBT.A.2

Which of the following numbers is rational?

• 7/4

• Pi (π)

• Square root of 10

• Square root of 2

Why can't the square root of 2 be expressed as a fraction?

• It can be expressed as a fraction.

• It's not a real number.

• It's an irrational number.

• It's a prime number.

Tags

CCSS.8.NS.A.1

Which of the following is an example of an irrational number?

• Square root of 9

• 2/3

• Square root of 2

• Square root of 100

Tags

CCSS.8.NS.A.1

What is the area of a square if its side length is the square root of 2?

• Square root of 2

• 1

• 4

• 2

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the side length of a square with an area of 25 square units?

• 25

• 5

• 10

• Square root of 25

Tags

CCSS.8.EE.A.2

Why is the square root of 25 considered a rational number?

• Because it is a whole number

• Because it equals 5

• All of the above

• Because it can be expressed as a fraction

Tags

CCSS.8.NS.A.1