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Imaginary Numbers and Square Roots

Authored by Sarah Pezzullo

Mathematics

11th - 12th Grade

CCSS covered

Used 1+ times

Imaginary Numbers and Square Roots
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37 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  144\sqrt{-144}  

 12-12  

 12i-12i  

 12i12i  

 i12i\sqrt{12}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  21\sqrt{-21}  

 21-\sqrt{21}  

 i21i\sqrt{21}  

 21i-21i  

 21\sqrt{21}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  381-3\sqrt{81}  

 27-27  

 27i27i  

 243-243  

 243i243i  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  50\sqrt{-50}  

 50-\sqrt{50}  

 i50i\sqrt{50}  

 5i25i\sqrt{2}  

 2i52i\sqrt{5}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  12\sqrt{-12}  

 12-\sqrt{12}  

 i12i\sqrt{12}  

 2i32i\sqrt{3}  

 23-2\sqrt{3}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  36\sqrt{-36}  

 36-\sqrt{36}  

 36i36i  

 6i6i  

 6-\sqrt{6}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  2\sqrt{-2}  

 2-\sqrt{2}  

 i2i\sqrt{2}  

 2i-2i  

 2\sqrt{2}  

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