Waec Mathematics Past Questions
Question 16
The graph of y = \(ax^2 + bx + c\) is shown oon the diagram. Find the minimum value of y
- A. -2, 0
- B. -2, 1
- C. -2, 3
- D. -2, 5
Question 17
Find the value of m in the diagram
- A. 72\(^o\)
- B. 68\(^o\)
- C. 44\(^o\)
- D. 34\(^o\)
Question 18
The diagonal of a square is 60 cm. Calculate its peremeter
- A. 20\(\sqrt{2}\)
- B. 40\(\sqrt{2}\)
- C. 90\(\sqrt{2}\)
- D. 120\(\sqrt{2}\)
Question 19
A stationary boat is observed from a height of 100m. If the horizontal distance between the observer and the boat is 80m, calculate, correct to two decimal places, the angles of depression of the boat from point of observation
- A. 36.87\(^o\)
- B. 39.70\(^o\)
- C. 51.34\(^o\)
- D. 53.13\(^o\)
Question 20
Solve the equation 10-3x-x2 = 0
- A. x=2 or-5
- B. x= -2 or 5
- C. x = 1 or 10
- D. x = 2 or 5