Algebraic identities

Algebraic identities

Assessment

Assessment

Created by

Nalini K

Mathematics

8th Grade

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15 questions

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1.

Multiple Choice

5 mins

1 pt

(x2 - y2) × (x2 + y2) = ______

2x2 + 2y2

x4 - y4

x4 + y4

2x4

2.

Multiple Choice

5 mins

1 pt

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

x2 - 64

x2 + 64

x2 - 16x + 64

x2 + 16x + 64

3.

Multiple Choice

5 mins

1 pt

The degree of the polynomial:  4x2y + x2 - 2y2 is ______

2

3

4

-2

4.

Multiple Choice

5 mins

1 pt

Expand (4x − 5)(4x + 5).

4x2 − 25

4x2 + 25

16x2 + 25

16x2 − 25

5.

Multiple Choice

5 mins

1 pt

Expand (x−4)2.

x2 −8x+16

x2 −8x−16

x2 +8x+16

x2 −16

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