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OpenStudy (anonymous):
Can someone tell me if I'm correct on this question: Which of the following are quadratic equations? A. -4x^2 - sqrt3x - 6.7 = 0 B. x^3 + 5x^2 - 3 = 0 C. 5x^2 + 2 = 0 D. x - 4 = 0 E. x^2 + x + 2 = 0 I say A, C, and E.
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OpenStudy (anonymous):
you are correct if A is sqrt(3)*x and not sqrt(3x) otherwise, only C and E
OpenStudy (anonymous):
OpenStudy (anonymous):
So it's just c and e?
OpenStudy (anonymous):
A too. it seems to be sqrt(3) * x
OpenStudy (anonymous):
Alright. Thank you. Much appreciation
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