Waec Mathematics Questions
Question 746:
which of the following is not quadratic expression?
- A \(y = 2x^2 - 5x\)
- B \(y=x(x-5)\)
- C \(y = x^2 - 5\)
- D Y = 5(x-1)
Question 747:
The graph of the curve \(y = 2x^2 - 5x - 1\) and a straight line PQ were drawn to solve the equation \(2x^2 - 5x + 2 = 0\)
What is the equation of the straight line PQ?
- A Y = -1
- B Y = 1
- C Y = 3
- D Y = -3
Question 748:
Subtract (-y + 3x + 5z) from (4y - x - 2z)
- A 5y - 4x - 7z
- B 3y + 2x + 3z
- C -5y + 4x + 7z
- D 2x - 5y + 3z
Question 749:
If \(y \propto \frac{1}{\sqrt{x}}\) and x = 16 when y = 2, find x when y = 24
- A \(\frac{1}{9}\)
- B \(\frac{1}{6}\)
- C \(\frac{1}{3}\)
- D \(\frac{2}{3}\)
Question 750:
If 2x : (x +1) = 3:2, what is the value of x?
- A \(\frac{1}{2}\)
- B 1
- C \(1\frac{1}{2}\)
- D 3