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Understanding irrational numbers

Authored by Wayground Content

Mathematics

8th - 12th Grade

Used 1+ times

Understanding irrational numbers
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does this simplify to?

4 or -4

5 or -5

6 or -6

7 or -7

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Fill in the following statement with "either", "never", or "always" in order to make the statement true:

Square roots of perfect squares will (a)   be irrational numbers.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

12

132\sqrt{132}

140\sqrt{140}

144\sqrt{144}

116\sqrt{116}

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify √18

3√2
9√2
3√9
2√3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

#14

When simplifying cube root expressions, you look for groups of _____ with variables.

A. One

B. Two

C. Three

D. I don't know

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplify the radical expression:
 151r2s3\sqrt{151r^2s^3}  

 rs151srs\sqrt{151s}  

 151rss151rs\sqrt{s}  

 10rs15s10rs\sqrt{15s}  

 r2s2151sr^2s^2\sqrt{151s}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Express the following in simplest radical form:

52\sqrt{52}  

2132\sqrt{13}  

4134\sqrt{13}  

413\sqrt{4}\sqrt{13}  

52\sqrt{52}  

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