Real and Imaginary Number System

Which of the # classifications given in the answer choices does the number in the picture most fully fit?

• REAL Numbers

• Natural Numbers

• Integers

• Imaginary Numbers

Which of the following best describes an imaginary number?

• A fraction

• The square root of any number

• The square root of a positive number

• The square root of a negative number

What type of real number has the following definitions?

• - a non-repeating, non-terminating decimal,

• - cannot be written as a fraction

• irrational

• prime

• rational

• imaginary

• i

• -1

• 1

• -i

What letter usually represent imaginary number?

• a

• i

• j

• x

• e

Answer explanation

• complex numbers

• real part of a complex number

• imaginary part of a complex number

• imaginary numbers

• pure imaginary number

• real part of a complex number

• imaginary part of a complex number

• imaginary numbers

• pure imaginary number

• complex numbers

The set of ​ (a)   is the set of all numbers written in the

form a + bi, where a and b are real numbers and b is not equal to 0.​

• imaginary numbers

• complex numbers

• real part of a complex number

• imaginary part of a complex number

• pure imaginary number

A ​ (a)   is a number of the form a + bi, where a is equal to 0 and b is not equal to 0.

• pure imaginary number

• complex numbers

• real part of a complex number

• imaginary part of a complex number

• imaginary numbers

• Complex

• Real

• Imaginary

• Rational

• Irrational