Asked by Tika
what is the value of the discriminant and of the real solutions of the quadratic equation?
5x^2-9x plus 2 equals 0
5x^2-9x plus 2 equals 0
Answers
Answered by
Steve
why not just use conventional math notation?
5x^2-9x+2 = 0
the discriminant is b^2-4ac = 81-40 = 41
Now just use that in the quadratic formula. Since the discriminant is positive, there are two real solutions:
x = (9±√41)/10
5x^2-9x+2 = 0
the discriminant is b^2-4ac = 81-40 = 41
Now just use that in the quadratic formula. Since the discriminant is positive, there are two real solutions:
x = (9±√41)/10
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