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 18xy 11x + 7y 8x + 10y 18(x + y)
 Question 2: Simplify following expression. 4x3 + 18x3 22x3 22x6 22x9 x6
 Question 3: Simplify following expression. 3x2 − 25 + 8x2 135 11x4 − 25 13x9 11x2 − 25
 Question 4: Simplify following expression. 8x2 − 2x5 − 8x2 2x5 − 2x5 16x2 − 2x5 18x−3
 Question 5: Simplify following expression. 8x2 − 2y5 − (8x2 + 2y5) 0 − 4y5 16x2 − 4y5 8x2 + 12y5
 Question 6: Simplify following expression. x2 + y5 + (x2 − 2y5) x2 − 2y5 4x2 − 2y5 2x2 − y5 2x2 − 2y5
 Question 7: Simplify following expression. 3A3 − 5A5 + (8A3 + 5A5) 3A3 3A5 11A3 11A5
 Question 8: Simplify following expression. x + x2 + x3 + x4 x + x2 + x3 + x4 4x4 2x2 + 2x3 8x
 Question 9: Simplify following expression. m2 + 2m2 − (4m2 + 8m2) 9m2 8m2 6m2 − 9m2
 Question 10: Simplify following expression. 3x7 − 2y7 + (4x7 + 5y7) 3y7 2x7 + 3y7 7x7 + 3y7 7x7 + 7y7
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