Simplify Radical Expressions and Complex Numbers

Simplify Radical Expressions and Complex Numbers

10th - 12th Grade

20 Qs

quiz-placeholder

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Simplify Radical Expressions and Complex Numbers

Simplify Radical Expressions and Complex Numbers

Assessment

Quiz

Mathematics

10th - 12th Grade

Practice Problem

Hard

CCSS
HSN.CN.A.2, HSN.RN.A.2, HSN.CN.A.3

+2

Standards-aligned

Created by

Barbara White

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If (a+b)²=a²+2ab+b², then (√2+√3)² is equal to

5
√6
√5
5+2√6

Tags

CCSS.HSN.RN.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2√5 - √5 + 4√5 + √3

6√5 + √3
5√5 + √3
6√5
6√3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:
√10 ⋅ √45

3√50
8√2
√450
15√2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify √72

7√9
4√6
6√2
3√4

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5√48x²

10x√3
15x√3
20x√3
25x√3

Tags

CCSS.HSN.RN.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i) - (48 - 30i)

58 - 45i
58 - 15i
-38 - 15i
-38 + 45i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.2

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