Number Systems and Complex Numbers

What is the difference between whole numbers and integers?

• Integers are whole numbers but they can also be negative whereas whole numbers are not negative.

• Integers are fractions and whole numbers are not

• Whole numbers are integers but they can also be negative whereas integers are not negative

• Whole numbers are fractions and integers are not

What is an irrational number?

• A real number that cannot be written as a fraction of integers

• Any number that is a decimal

• Any negative number

• A number divided by 0

Tags

CCSS.8.NS.A.1

True or False? Both rational AND irrational numbers are also real numbers.

• True

• False

What is an imaginary number?

• Numbers that have roots of a negative number

• A number that is NOT a real number

• All of the above

Tags

CCSS.HSN.CN.A.1

Complex numbers are...

• Reals and imaginary numbers

• Fractions

• Decimals

• An imaginary number that is also a decimal

Tags

CCSS.HSN.CN.A.1

Which of the following are RATIONAL numbers? Select all that apply.

• 0

• -3

• 4.25

• 3.141592653

• 1.414213562

Which of the following are IMAGINARY numbers? Select all that apply.

• i

• 4i

• 0

Tags

CCSS.HSN.CN.A.1

Select all that apply. "5" is a(n)....

• Whole number

• Integer

• Rational Number

• Irrational Number

• Imaginary Number

Select all that apply. "-8.2" is a(n)...

• Whole number

• Integer

• Rational Number

• Irrational Number

• Real Number

Select all that apply: "3.141592653..." is a(n)...

• Integer

• Rational Number

• Irrational Number

• Real Number

• Imaginary Number