Unit 4 Test Review (Irrational Numbers Enter the Number System

Front

Put in the symbol to make the statement true: -17.5 _________ -√121

Back

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Front

What is the definition of integers?

Back

Whole numbers and their opposites

Front

Classify 0: Whole, Integer, Rational, All of the above

Back

All of the above

Front

Find the length of the missing side: 17 cm, 22 cm, 15 cm, 13 cm

Back

13 cm

Front

Order 3π, √10, and 3.25 from greatest to least.

Back

3π, 3.25, √10

Front

What are irrational numbers?

Back

Numbers that cannot be expressed as a fraction of two integers.

Front

Give an example of an irrational number.

Back

√2 or π

Front

What is the approximate value of π?

Back

3.14

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions; irrational numbers cannot.

Front

Is -3.5 a rational number?

Back

Yes, it can be expressed as -7/2.