# Rational and irrational

## Quiz by Tamicha Mangram

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8 questions
Show answers
• Q1
Which of the following numbers is irrational?
√2
-4
0.25
2/3
30s
• Q2
What makes a number rational?
It is a perfect square
Its decimal form never ends or repeats
It can be expressed as a fraction
It cannot be written as a fraction
30s
• Q3
Which of the following statements is TRUE about irrational numbers?
They can be expressed as the quotient of two integers.
They include numbers such as 2/5 and 0.75.
Every square root is irrational.
Their decimal expansions are non-repeating and non-terminating.
30s
• Q4
Which of these numbers is a rational number?
√2
0.75
e
π
30s
• Q5
What is an example of an irrational number?
3.333...
-8
√11
5/2
30s
• Q6
Which of these numbers is irrational?
7/2
√7
2.5
-3
30s
• Q7
Which number is an example of an irrational number?
8/2
√4
0.333...
√3
30s
• Q8
Which of the following numbers is an example of a rational number?
$$\pi$$
$$\sqrt{2}$$
0.125
e
30s

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