Simplifying Complex Numbers Quiz

Authored by Monta Jeffley

Mathematics

9th - 12th Grade

CCSS covered

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12 questions

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MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$\sqrt[]{-12}$

$2i\ \sqrt[]{3}$

$2i\ \sqrt[]{2}$

$3i\ \sqrt[]{3}$

$3i\ \sqrt[]{2}$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSA.SSE.B.3

FILL IN THE BLANKS QUESTION

10 mins • 1 pt

The imaginary unit "i" is a (a) , NOT a variable, and is defined as $\sqrt[]{-1}$

Tags

CCSS.HSN.CN.A.1

FILL IN THE BLANKS QUESTION

10 mins • 1 pt

$i^2\ =\$

(a)

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE SELECT QUESTION

10 mins • 1 pt

SELECT ALL THE ANSWERS that would be expressions of an imaginary number.

$-\ \sqrt[]{4}$

$\sqrt[]{-4}$

$\sqrt[]{-12}$

$\sqrt[]{16}$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$\sqrt[]{-25}$

$4i\ \sqrt[]{5}$

$5i\$

$5i\ \sqrt[]{4}$

$25i\$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$\sqrt[]{-108}$

$2i\ \sqrt[]{27}$

$3i\ \sqrt[]{12}$

$6i\ \sqrt[]{3}$

$54i\ \sqrt[]{2}$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

IS $\sqrt[]{-81}$ THE SAME AS $-\ \sqrt[]{81}$ ?

YES, THE ANSWERS ARE THE SAME

NO, THE ANSWERS ARE NOT THE SAME

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.C.7

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$-\ \sqrt[]{121}$

$-\ 11i$

$-\ 11$

$11i$

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

CCSS.HSA.REI.A.2

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$\sqrt[]{-\ 50}$

$5i\ \sqrt[]{2}$

$-5i\ \sqrt[]{2}$

$2i\ \sqrt[]{25}$

$i\ \sqrt[]{50}$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

10.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Which of the following is equivalent to:
$\sqrt[]{10000}$

100

1000

$i^{100}$

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

CCSS.HSN.RN.A.1

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Simplifying Complex Numbers

Which of the following is equivalent to: −12\sqrt[]{-12}−12​

The imaginary unit "i" is a (a) , NOT a variable, and is defined as −1\sqrt[]{-1}−1​

i2 = i^2\ =\ i2 = (a)

SELECT ALL THE ANSWERS that would be expressions of an imaginary number.

Which of the following is equivalent to: −25\sqrt[]{-25}−25​

Which of the following is equivalent to: −108\sqrt[]{-108}−108​

IS −81\sqrt[]{-81}−81​ THE SAME AS − 81-\ \sqrt[]{81}− 81​ ?

Which of the following is equivalent to: − 121-\ \sqrt[]{121}− 121​

Which of the following is equivalent to: − 50\sqrt[]{-\ 50}− 50​

Which of the following is equivalent to: 10000\sqrt[]{10000}10000​

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Which of the following is equivalent to:
$\sqrt[]{-12}$

The imaginary unit "i" is a (a) , NOT a variable, and is defined as $\sqrt[]{-1}$

$i^2\ =\$

(a)

Which of the following is equivalent to:
$\sqrt[]{-25}$

Which of the following is equivalent to:
$\sqrt[]{-108}$

IS $\sqrt[]{-81}$ THE SAME AS $-\ \sqrt[]{81}$ ?

Which of the following is equivalent to:
$-\ \sqrt[]{121}$

Which of the following is equivalent to:
$\sqrt[]{-\ 50}$

Which of the following is equivalent to:
$\sqrt[]{10000}$