Algebraic Identities

Algebraic Identities

Assessment

Assessment

Created by

Suleena Manoj

Mathematics

9th Grade

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5 questions

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1.

Multiple Choice

45 sec

1 pt

(x - 8) ( x - 8) = ______

x2 - 64

x2 + 64

x2 - 16x + 64

x2 + 16x + 64

2.

Multiple Choice

45 sec

1 pt

Expand (4x − 5)(4x + 5).

4x2 − 25

4x2 + 25

16x2 + 25

16x2 − 25

3.

Multiple Choice

45 sec

1 pt

Expand (x−4)2.

x2 −8x+16

x2 −8x−16

x2 +8x+16

x2 −16

4.

Multiple Choice

45 sec

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 

5.

Multiple Choice

45 sec

1 pt

(x2 - y2) × (x2 + y2) = ______

2x2 + 2y2

x4 - y4

x4 + y4

2x4

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