Term
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Definition
| a function that can be written in the form f(x)=ax^2+bx+c, where a, b, and c are real numbers and a does not equal 0, or in the form f(x)=a(x-h)^2+k, where a, h, and k are real numbers and a does not equal 0 |
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Term
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Definition
| the shape of the graph of a quadratic function. Also, the set of points equidistant from a point F, called the focus, and a line d, called the directrix |
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Term
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Definition
| the highest or lowest point in a parabola |
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Term
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Definition
| the line that divides the parabola into two symmetrical halves |
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Definition
| the y-value of the vertex when a parabola opens upward (concave up) |
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Term
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Definition
| the y-value of the vertex when a parabola opens downward (concave down) |
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