MCQ
Let two numbers have arithmetic mean $9$ and geometric mean $4$.Then, these numbers are the roots of the quadratic equation:
- A$x^2+18 x+16=0$
- ✓$x^2-18 x+16=0$
- C$x^2+18 x-16=0$
- D$x^2-18 x-16=0$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.