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

From WikiEducator

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:

- 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 2a
^{4}b^{2}+ 6ab?

- A. 2
- B. 2ab
- C. 2a
^{2}b^{2} - D. 6ab

- 3. Evaluate 2x
^{3}y^{2}z 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 a
^{2}+ 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 4m
^{2}n^{3}p.

- A. 1/3
- B. 1/4
- C. 1/9
- D. 1/18

- 7. Solve the equation 2a
^{2}+ a - 4 = a^{2}+ 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 2/3x
^{2}y^{3}and 1/4x^{7}y^{2}.

- A. 1/2x
^{9}y^{5} - B. 1/6x
^{9}y^{5} - C. 1/2x
^{5}y^{9} - D. 1/6x
^{9}y^{5}

- A. 1/2x

- 9. Find the quotient of 2x
^{7}y^{3}and 4x^{2}y.

- A. 1/2 x
^{5}y^{2} - B. 2x
^{5}y^{2} - C. 1/2 x
^{2}y^{5} - D. 2 x
^{2}y^{5}

- A. 1/2 x

- 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

KEY ANSWERS:

1. A 2. B 3. D 4. A 5. B 6. D 7. D 8. B 9. A 10.D