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Knowledge Check Quiz

EXAMS.IE

Proofs by Contradiction

Hint

\(\sqrt{9}=3\)

1 / 5

\(\sqrt{9}\) is a rational number.

Hint

\(\sqrt{3}\) cannot be written as the ratio of integers.

2 / 5

\(\sqrt{3}\) is a rational number.

Hint

\(-0.29=\dfrac{29}{100}\)

3 / 5

\(-0.29\) is a rational number.

Hint

This is the ratio of two integers.

4 / 5

\(\dfrac{149}{201}\) is a rational number.

Hint

\(\pi\) cannot be written as the ratio of two integers.

5 / 5

\(\pi\) is a rational number.

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