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QUIZ

9th
grade

Mathematics

59%

accuracy

362

plays

User image

Kristine Albertson

4 years

Mathematics

9th

grade

Rational vs. Irrational

user

Kristine Albertson

362
plays

10 questions

10 questions

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1. Multiple Choice
45 seconds
1 pt
A rational number
is a number that can be written as a fraction.
is always positive.
can be a repeating decimal.
is a fraction but not a decimal.
2. Multiple Choice
1 minute
1 pt
Irrational numbers
never end and never repeat.
can be positive or negative.
reduce to $\pi$
are square roots of perfect squares.
3. Multiple Choice
30 seconds
1 pt
A terminating decimal is
rational.
irrational.
4. Multiple Choice
30 seconds
1 pt
The square root of a perfect square is
irrational.
rational.
5. Multiple Choice
45 seconds
1 pt
Identify the rational numbers.
$\sqrt{64}$
$3\pi$
$\frac{4}{5}$
$0.15151515...$
0
6. Multiple Choice
30 seconds
1 pt
Identify the rational numbers.
$\sqrt{120}$
$\sqrt{36}$
$\sqrt{220}$
$\sqrt{1000}$
7. Multiple Choice
1 minute
1 pt
$3\sqrt{5}+2\sqrt{5}\ =\ ?,\ so\ the\ result\ is\ ?$
$5\sqrt{10},\ irrational$
$5\sqrt{5},\ irrational$
$6\sqrt{5},\ irrational$
$6\sqrt{10},\ irrational$
8. Multiple Choice
30 seconds
1 pt
$4\pi\ -\ 4\pi\ =\ ?,\ which\ is\ ?$
rational
irrational
9. Multiple Choice
30 seconds
1 pt
$\sqrt{7}\cdot\ \sqrt{3}\ =\ ?,\ which\ is\ ?$
rational
irrational
10. Multiple Choice
30 seconds
1 pt
$\sqrt{7}\ \cdot\ \sqrt{7}\ =\ ?,\ which\ is\ ?$
rational
irrational
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