What is the discriminant of the quadratic equation minus, 9, x, squared, plus, 7, x, minus, 7, equals, 0−9x 2 +7x−7=0?
Question
Solution 1
The discriminant of a quadratic equation is given by the formula D = b² - 4ac, where a, b, and c are the coefficients of the quadratic equation ax² + bx + c = 0.
In the given equation -9x² + 7x - 7 = 0, the coefficients are: a = -9 b = 7 c = -7
Substituting these values into the formula, we get:
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