# User:Estrella Tuguinay/Maths Practice Test for FODE Students in PNG

Dear FODE Students ,

Below is a set of Practice Exercises to revise you of the topic Equations in Mathematics 8. After the exercises are the answers for you to check yoour work. Try to solve all questions as possible. Hope you enjoy doing this Pratice Exercises.
A. MULTIPLE QUESTIONS : Choose your answer from the alternative A , B, C, D.
Start here:
1. Combine similar terms in the expression 2mn + 5m - mn - 7m.
A. mn - 2m
B. 3mn + 2m
C. mn - m
D. m + n
2. What is the common factor in the expression 2a4b2+ 6ab?
A. 2
B. 2ab
C. 2a2b2
D. 6ab
3. Evaluate 2x3y2z if x = 3 , y = -2 , z = 1/2.
A. -98
B. 98
C. 108
D. -108
4. Solve for the value of x in the equation 3x + 7 = 2x - 18.
A. -25
B. 25
C. -35
D. 35
5. Factorise completely a2 + 2a - 14 .
A. (a+2)(a-7)
B. (a+7)(a-2)
C. (a-2)(a-7)
D. (a+2)(a+7)
6. If m = 2/3 , n = 1/2 , p = -1/4, evaluate 4m2n3p.
A. 1/3
B. 1/4
C. 1/9
D. 1/18
7. Solve the equation 2a2 + a - 4 = a2 + 2a - 3
A. a = 2 ; a = 1
B. a = -2 ; a = -1
C. a = -2 ; a = 1
D. a = 2 ; a = -1
8. Find the product of 2/3x2y3 and 1/4x7y2.
A. 1/2x9y5
B. 1/6x9y5
C. 1/2x5y9
D. 1/6x9y5
9. Find the quotient of 2x7y3 and 4x2y.
A. 1/2 x5y2
B. 2x5y2
C. 1/2 x2y5
D. 2 x2y5
10. Perform the order of operation in the equation [-5x + (-3x)] / [{2(3x)-4x -7x}.
A. -8/5 x
B. -8/5
C. 8/5 x
D. 8/5