Algebra II : Real Numbers

Study concepts, example questions & explanations for Algebra II

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Example Questions

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Example Question #21 : Number Theory

Which of the following are NOT real numbers?

Possible Answers:

Correct answer:

Explanation:

Real numbers may include positive and negative integers, rational numbers, and also irrational numbers.  

Rational numbers are terms that can be expressed as ratios of numbers, such as .

Real numbers cannot include infinity or imaginary numbers, such as .

However, the imaginary term provided in the answer choice is not fully simplified.

This value is a real number.

The term  is an irrational number, and is considered a real number.  

The term  is also irrational, and is a real number.

The correct answer is:  

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