multiply and divide complex numbers

multiply and divide complex numbers

12th Grade

10 Qs

quiz-placeholder

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multiply and divide complex numbers

multiply and divide complex numbers

Assessment

Quiz

Mathematics

12th Grade

Medium

CCSS
HSN.CN.A.2, HSN.CN.A.3, HSA.APR.D.6

+2

Standards-aligned

Created by

IKRAMULLAH KHAN

Used 37+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:

(5-2i) + (-7+8i)

-2+6i

12+6i

-35-16i2

-35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Give your answer in the form of a+bi for (8-3i)(5-2i)

13 - 5i

34 - 31i

-31 + 34i

5 -13i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve 5( - 6 + 4i)

-30 - 20i

-20 +30i

30 + 20i

-30 + 20i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If z1 = 2 + 5i and z2 = 3 - 2i, determine z1x z2.

-11i +16

16 - 11i

16 + 11i

-16 -11i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of 2 - 7i ?

7 + 2i

2 + 7i

-2 - 7i

-2 + 7i

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Refer to the above image, what is the conjugate of the denominator?

-1 + 5i

1 - 5i

1 + 5i

-1 - 5i

Tags

CCSS.HSA.APR.D.6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Refer to the above image, what is the conjugate of the denominator?

8 + 6i

6 + 8i

6 - 8i

-6 +8i

Tags

CCSS.HSA.APR.A.1

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