Introduction to Complex Numbers Day 1 Practice

Front

What is a rational number?

Back

A rational number is a number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero. Examples include integers, fractions, and repeating decimals.

Front

What type of number is a repeating decimal?

Back

A repeating decimal is classified as a rational number because it can be expressed as a fraction.

Front

Classify the number √-9.

Back

The number √-9 is classified as an imaginary number.

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Back

Front

Back

Front

What is an imaginary number?

Back

Front

What is the imaginary unit 'i'?

Back

'i' is defined as the square root of -1, and it is used to express imaginary numbers.

Front

What is the relationship between real numbers and complex numbers?

Back

Real numbers are a subset of complex numbers. Every real number can be expressed as a complex number with an imaginary part of zero.

Front

What is a complex number?

Back

Front

How do you add complex numbers?

Back