Mathematics, 17.11.2020 09:10 jrock57

Written Work 6 Determine whether each of the following
mathematical sentence is a quadratic inequality or
not. Write FACT if the mathematical sentence is a
quadratic inequality and BLUFF if it is not an
inequality

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.

${x}^{2} + 7x - 12 0$
${2z}^{2} - 3z + 12 = 0$
${4t}^{2} - 7t + 5 \leqslant 0$
${a}^{2} + 5a < 15$
$14 - 3d + {d}^{2} = 0$
$3x + 20 \geqslant 0$
(2r - 5)(r + 4) - 9
${x}^{2} - 1 < x + 10$
$( {4x}^{2} - 9) + (2x + 3) \geqslant 0$
$12 - 7x = {3x}^{2}$

Answers: 2

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Written Work 6 Determine whether each of the following
mathematical sentence is a quadratic in...