The standard form of the quadratic equation is ax^2 + bx + c. In vertex form, it's y = a(x – h)2 + k.
The graph of a quadratic equation is a parabola, which looks like a u. If <em>a</em> is negative then it's an upside down u.
The answer is 3. 1/6 because there are 6 sides in the cube. So the probability of getting a certain number is 1/6.
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Hope that was helpful for you! Good luck.
