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Algebraic expressions and identities

Authored by URVASHI SINGH

Mathematics

8th - 9th Grade

CCSS covered

Used 375+ times

Algebraic expressions and identities
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Subtract 5x3 - 3x2 - 8 from 2x3 - 5x2 - 11x + 2

3x3 - 2x2 -11x + 10

-3x3 - 2x2 -11x + 10

3x3 - 2x2 -11x - 10

3x3 - 2x2 +11x + 10

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply : 7a x (2a2 - 3a + 5)

14a3 -21a2 + 35a

14a3 -21a2 - 35a

-14a3 + 21a2 + 35a

-14a3 -21a2 + 35a

Tags

CCSS.HSA.APR.A.1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Using identity (2p  3q)2\left(2p\ -\ 3q\right)^2  

   4p2  12pq + 9q2-4p^2\ -\ 12pq\ +\ 9q^2  

 4p2 + 12pq  9q24p^2\ +\ 12pq\ -\ 9q^2  

 4p2 12pq + 9q24p^{2^{ }}-\ 12pq\ +\ 9q^2  

 4q2 + 12 pq 9q24q^2\ +\ 12\ pq\ -9q^2  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find 10.3 X 9.7

9.991

999.1

0.991

99.91

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If x  1x= 3, evaluate, x2 + 1x2If\ x\ -\ \frac{1}{x}=\ 3,\ evaluate,\ x^2\ +\ \frac{1}{x^2}  

121

11

22

212

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find (102)2 - (98)2

200

400

600

800

Tags

CCSS.HSA.APR.B.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find 96 X 104, using identity

9984

9974

9964

9954

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