Real Number System Video Quiz

Which number is included in the set of whole numbers?

• -1

• 0

• 1/2

• sqrt(2)

Tags

CCSS.8.NS.A.1

What type of number cannot be expressed as a fraction with integers in both the numerator and denominator?

• Whole number

• Irrational number

• Natural number

• Rational number

Tags

CCSS.8.NS.A.1

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

• 2/3

• -3

• sqrt(2)

• 100

What is the result of the square root of negative four?

• -2

• 2

• Not a number

• 2i

Tags

CCSS.HSN.CN.A.1

Why were imaginary numbers introduced in mathematics?

• To address the square root of negative numbers

• To solve equations like x^2 = 2

• To calculate higher roots

• To simplify fractions

Tags

CCSS.HSN.CN.A.1