Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?
1) If b is negative, the parabola opens downward
2) If a is negative, the parabola opens upward
3) If a is positive, the parabola open upward
4) If c is negative, the parabola opens downward
Mathematics
Views: 0 Asked: 11-28 14:40:21
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