myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5    
  you are taking the following test:

 
Grade: 8,    Subject: Math,    Topic: Algebra Exponents, Addition, Subtraction Multiplication, Division, Simplification
Question 1:
Simplify following expression.


3x + 5y + 8x + 2y

18xy11x + 7y

8x + 10y18(x + y)
 
Question 2:
Simplify following expression.


4x3 + 18x3

22x322x6

22x9x6
 
Question 3:
Simplify following expression.


3x2 − 25 + 8x2

13511x4 − 25

13x911x2 − 25
 
Question 4:
Simplify following expression.


8x2 − 2x5 − 8x2

2x5− 2x5

16x2 − 2x518x−3
 
Question 5:
Simplify following expression.


8x2 − 2y5 − (8x2 + 2y5)

0− 4y5

16x2 − 4y58x2 + 12y5
 
Question 6:
Simplify following expression.


x2 + y5 + (x2 − 2y5)

x2 − 2y54x2 − 2y5

2x2 − y52x2 − 2y5
 
Question 7:
Simplify following expression.


3A3 − 5A5 + (8A3 + 5A5)

3A33A5

11A311A5
 
Question 8:
Simplify following expression.


x + x2 + x3 + x4

x + x2 + x3 + x44x4

2x2 + 2x38x
 
Question 9:
Simplify following expression.


m2 + 2m2 − (4m2 + 8m2)

9m28m2

6m2− 9m2
 
Question 10:
Simplify following expression.


3x7 − 2y7 + (4x7 + 5y7)

3y72x7 + 3y7

7x7 + 3y77x7 + 7y7
 
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