Determine whether the given mathematical sentences are quadratic inequality or not. Write QI if it's a quadratic inequality otherwise write X if not. 1. x2 + 9x + 20 = 0 2. 2s2 + 7s +5 > 0 3.-2x(x + 3) > 2x – 1 4. 15 - 6h2 = 10 5.72 +10r S-16 6. 4x2 – 25 = 0 7.8 – (3 – x)2 – x + 5 > x2 – 1 8. m2 = 6m – 7 9. 4x - 32 < 0 -0 10. x²-1​