which of the following mathematical statements is a quadratic inequality?
A.
[tex]5t2 - 3r - 20 = 0[/tex]
B.
[tex]4x2 + 9x - 2 \geqslant 0[/tex]

C.
[tex]9h + 18 < 0[/tex]

D.
[tex]m2 + 9m + 16 = 0[/tex]
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