Expanding Using Identities

Expanding Using Identities

8th - 9th Grade

16 Qs

quiz-placeholder

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Expanding Using Identities

Expanding Using Identities

Assessment

Quiz

Mathematics

8th - 9th Grade

Practice Problem

Medium

Created by

Michelle SMITH

Used 15+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expand ( x + 2)2.

x2 + 22

x2 + 2x +2

x2 + 4x +2

x2 + 4x +4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expand (x - 8) ( x - 8)

x2 - 64

x2 + 64

x2 - 16x + 64

x2 + 16x + 64

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (4a+2b)2=\left(4a+2b\right)^2= 

 16a2+8ab4b216a^2+8ab-4b^2  

 16a28ab4b216a^2-8ab-4b^2  

 16a28ab+4b216a^2-8ab+4b^2 

 16a2+8ab+4b216a^2+8ab+4b^2 

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expand (2x + 1)2.

4x2 +4x +1

4x2 +1

4x2 +2x +1

4x2 +4x +2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x + 3) (x - 3)

(x + 3)2

x2 - 9

x2 + 9

x2 - 3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2(4k - 1)(4k + 1)

16k2 - 1

2(16k2 - 1)

32k2 - 2

32k2 + 2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(4c - 3d)(-4c - 3d)

16c2 - 9d2

9d2 - 16c2

8c - 6d

8c2 - 6d2

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