Mathematics Practice Test – Quadratic Equations (Questions with Answers and Explanations)

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Mathematics Practice Test – Quadratic Equations (Questions with Answers and Explanations)

Hello and Welcome to Mathematics Practice Test - Quadratic Equations

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible
1. 


Factorise the quadratic expression x2 – 8x + 15

A. (x – 5)(x – 3)
B. (x + 5)(x – 3)
C. (x – 5)(x + 3)
D. (x + 5)(x + 3)

2. 


If α and β are the roots of the equation 3x2 + 5x -2 = 0, find the value of    (JAMB 2000)

A. - \frac{5}{2}      B. - \frac{2}{3}      C. \frac{5}{2}      D. \frac{5}{2}

3. 



Which of the following is represented by the sketch above? (WASSCE 2002)

A. y = x2 + x – 6
B. y = x2 – x – 6
C. y = x2 – x + 6
D. y = x2 + x + 6

4. 



Above is the graph of the relation y = ax2 + bx + c, where a, b, c are constants. Use the graph to determine the values of constants a, b, and c ¡n the relation using the values of the coordinates P and Q and hence write down the relation illustrated in the graph. (WASSCE 2002)

A. 6 + x – 2x2 = 0
B. 4 + x – x2 = 0
C. 6 + x – 2x2 = 0
D. 4 - x – 2x2 = 0

5. 


Solve the equation 3y2 = 27y (WASSCE 2000)

A. y = 0 or 3
B. y = 0 or 9
C. y = -3 or 3
D. y = 3 or 9

 

 

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