Which of the following is a quadratic equation?
[tex]a. \: 3m - 7 = 12[/tex]
[tex]b. \: - 5 ^{2} + 4n - 1[/tex]
[tex]c. \: 2 {x}^{2} - 7x \geqslant 3[/tex]
[tex]d. \: {t}^{2} + 5t - 14 = 0[/tex]
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Which of the following is a quadratic equation?
[tex]a. \: 3m - 7 = 12[/tex]
[tex]b. \: - 5 ^{2} + 4n - 1[/tex]
[tex]c. \: 2 {x}^{2} - 7x \geqslant 3[/tex]
[tex]d. \: {t}^{2} + 5t - 14 = 0[/tex]
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Answer:
quadratic equations:is
m = 19/3