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Adding Imaginary Numbers

Authored by Allison Sutton

Mathematics

10th - 12th Grade

CCSS covered

Used 38+ times

Adding Imaginary Numbers
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add (68i)+(12i)\left(-6-8i\right)+\left(-1-2i\right)  

 710i-7-10i  

 5+6i5+6i  

 2i-2i  

 172i-17-2i  

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add (1+6i)+(5+7i)\left(1+6i\right)+\left(5+7i\right)  

 6+i-6+i  

 4+i4+i  

 6+i6+i  

 6+13i6+13i  

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add (7+7i)+(2+3i)\left(-7+7i\right)+\left(-2+3i\right)  

 9+10i-9+10i  

 11+10i-11+10i  

 54i5-4i  

 54i-5-4i  

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add (1+i)+2+2i\left(1+i\right)+2+2i  

 5+3i5+3i  

 1+i1+i  

 3+3i3+3i  

 5+2i5+2i  

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Subtract (8+5i)(4+3i)\left(8+5i\right)-\left(-4+3i\right)  

 128i12-8i  

 4+8i4+8i  

 12+2i12+2i  

 42i-4-2i  

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Subtract (6+2i)(7i)\left(-6+2i\right)-\left(7-i\right)  

 13i-13-i  

 10+i-10+i  

 13+3i-13+3i  

 7+i-7+i  

Tags

CCSS.HSA.APR.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify by adding and subtracting 5i7i+(7+3i)-5i-7i+\left(-7+3i\right)  

 7+5i-7+5i  

 79i-7-9i  

 7+15i-7+15i  

 79i7-9i  

Tags

CCSS.HSA.APR.D.7

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