2.5, 2.7, 2.9

Quiz

•

Mathematics

•

10th - 12th Grade

•

Hard

•

CCSS

HSF-IF.C.7A, HSN.CN.A.3

Standards-aligned

David Marzano

Used 19+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

√-36

6

-6

-6i

6i

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

-2+6i

12+6i

-35-16i²

-35 -16i

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(10+3i) - (2-9i)

20-27i

12-7i

8+12i

20-27i²

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify.
(5-i)(5+i)

26

24

25+i²

25-i²

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify
(3 + i)(1 - 4i)

7 - 11i

3 - 4i

3 - 11i - 4i²

2 - 3i

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve
x² + 49 = 0

-7

7i

±7i

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The expression (2 + 3i)² is equal to

-5

-5 + 12i

13

13 + 12i

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