Search SchoolNGR

Thursday, 23 April 2026
Register . Login

Mathematics Past Questions and Answers

Mathematics Questions

Question 271:
\(\alpha\) and \(\beta\) are the roots of the equation \(2x^{2} - 3x + 4 = 0\). Find \(\alpha + \beta\).
  • A -2
  • B -\(\frac{3}{2}\)
  • C \(\frac{3}{2}\)
  • D 2
View Answer & Explanation
Question 272:
The function f: x \(\to \sqrt{4 - 2x}\) is defined on the set of real numbers R. Find the domain of f.
  • A \(x
  • B \(x \leq 2\)
  • C \(x = 2\)
  • D \(x > -2\)
View Answer & Explanation
Question 273:
Given that \(f(x) = \frac{x+1}{2}\), find \(f^{1}(-2)\).
  • A -5
  • B -3
  • C \(-\frac{1}{2}\)
  • D 5
View Answer & Explanation
Question 274:
Given that \(\frac{6x+m}{2x^{2}+7x-15} \equiv \frac{4}{x+5} - \frac{2}{2x-3}\), find the value of m.
  • A 20
  • B 12
  • C -10
  • D -22
View Answer & Explanation
Question 275:
Find the coefficient of \(x^{4}\) in the expansion of \((1-2x)^{6}\).
  • A -320
  • B -240
  • C 240
  • D 320
View Answer & Explanation