2. A. 3 B. 4 C. -3 D. 2 3. Which of the following is the standard form of quadratic equations? A. $5x^2 + 7x + 10 < 0$ B. $2x - 5y + 6 = 0$ C. $x^2 - 5x + 6 = 0$ D. $y = 2x + 5$
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Looking at the options: A. Sx^2 + 7x + 10 < 0 - This is not a quadratic equation in standard form. It is an inequality. B. 2x - Sy + 6 = 0 - This is not a quadratic equation in standard form. It is a linear equation. C. t^2 + Sx + 6 = 0 - This is a quadratic Show more…
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