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Algebra 2 - Quiz - Complex Numbers

Authored by Andrew Whitman

Mathematics

10th - 11th Grade

CCSS covered

Used 9+ times

Algebra 2 - Quiz - Complex Numbers
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve the quadratic using the square root.

 x2121=0x^2-121=0  

 ±121\pm121  

 ±11\pm11  

 00  

 No SolutionNo\ Solution  

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve the quadratic using the square root.

 2x2+5=77-2x^2+5=77  

 ±6\pm6  

 ±36i\pm36i  

 ±36\pm36  

 ±6i\pm6i  

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the expression.

 64\sqrt{-64}  

 8i8i  

 8i-8i  

 4i4i  

 64i64i  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the expression.

 5725\sqrt{-72}  

 5i25i\sqrt{2}  

 11i211i\sqrt{2}  

 30i230i\sqrt{2}  

 12i512i\sqrt{5}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the expression.

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

 15i15i  

 8i2-8i^2  

 15-15  

 15i-15i  

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the expression.

 (8+3i)+(612i)\left(8+3i\right)+\left(-6-12i\right)  

 1415i14-15i  

 215i2-15i  

 29i2-9i  

 14+15i14+15i  

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify the expression.

 (59i)(1+4i)\left(5-9i\right)-\left(1+4i\right)  

 413i4-13i  

 65i6-5i  

 45i4-5i  

 613i6-13i  

Tags

CCSS.HSN.CN.A.2

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