Waec Mathematics Questions
Question 621:
In the diagram, POR is a circle with center O. ∠QPR = 50°, ∠PQO = 30° and ∠ORP = m. Find m.
View Answer & ExplanationQuestion 623:
Simplify \(\frac{2-18m^2}{1+3m}\)
- A \(2(1+3m)\)
- B \(2(1+3m^2)\)
- C \(2(1-3m)\)
- D \(2(1-3m^2)\)
Question 624:
If \(y = \sqrt{ax-b}\) express x in terms of y, a and b
- A \(x = \frac{y^2-b}{a}\)
- B \(x = \frac{y+b}{a}\)
- C \(x = \frac{y-b}{a}\)
- D \(x = \frac{y^2 + b}{a}\)
Question 625:
Given that \(81\times 2^{2n-2} = K, find \sqrt{K}\)
- A \(4.5\times 2^{n}\)
- B \(4.5\times 2^{2n}\)
- C \(9\times 2^{n-1}\)
- D \(9\times 2^{2n}\)