16)Which of the following quadratic equations has a discriminant of 0?
A. 2x² + 3x + 4 = 0
B. 2x² - 6x + 4 = 0
C. x² - 2x + 1 = 0
D. x² - 4 = 0
(NONSENSE, REPORT)
A. 2x² + 3x + 4 = 0
B. 2x² - 6x + 4 = 0
C. x² - 2x + 1 = 0
D. x² - 4 = 0
(NONSENSE, REPORT)
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