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Imaginary Numbers

Authored by Amy Titler

Mathematics

11th Grade

CCSS covered

Used 34+ times

Imaginary Numbers
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 125\sqrt{-125}  

 5i55i\sqrt{5}  

 55-5\sqrt{5}  

 5i5-5i\sqrt{5}  

 25i525i\sqrt{5}  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3723\sqrt{-72}  

 9i89i\sqrt{8}  

 6i126i\sqrt{12}  

 18i218i\sqrt{2}  

 182-18\sqrt{2}  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

   315\ \ \sqrt{-3}\cdot\sqrt{-15}  

 3i5-3i\sqrt{5}  

 3i53i\sqrt{5}  

 353\sqrt{5}  

 35-3\sqrt{5}  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5+4i) + (6  5i)\left(5+4i\right)\ +\ \left(6\ -\ 5i\right)  

 11 + 9i11\ +\ 9i  

 11  i11\ -\ i  

 50 i50-\ i  

 10 i10\ -i  

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (5  i) + (3 + 5i)\left(-5\ -\ i\right)\ +\ \left(3\ +\ 5i\right)  

 20  28i20\ -\ 28i  

 2 + 6i-2\ +\ 6i  

 8 + 6i8\ +\ 6i  

 2 + 4i-2\ +\ 4i  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 81\sqrt{-81}  

 9i9i  

 9-9  

 3i93i\sqrt{9}  

 39-3\sqrt{9}  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (4  8i)  (9 + 3i)\left(4\ -\ 8i\right)\ -\ \left(9\ +\ 3i\right)  

 5 5i-5\ -5i  

 13 5i13\ -5i  

 5  11i-5\ -\ 11i  

 13 + 11i13\ +\ 11i  

Tags

CCSS.HSA.APR.A.1

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