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Mathematics, 03.04.2020 01:43 salsa456

What is the discriminant of the quadratic equation – 4x2 + 5x – 9 = 0?

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The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

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What is the discriminant of the quadratic equation – 4x2 + 5x – 9 = 0?...

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