becky300 becky300

15-08-2022
Mathematics

contestada

For what approximate values of b does does the equation 5x^2+bx+12=0 have no real solutions?

A) b < 15.49
B) b > -15.49
C) -15.49 < b < 15.49
D) b < -15.49 or b > 15.49

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