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9 terms

Hill Unit 7 Vocabulary

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Quadratic Equation
An equation in the form y = ax^2 + bx + c, an equation of degree two (the highest exponent of a variable is two)
Parabola
The graph of a quadratic equation; it is in the general shape of a "U", the graph of a quadratic function.
Minimum (on a graph)
The lowest point of a parabola
Maximum (on a graph)
The highest point of a parabola
Vertex
The coordinates of the minimum or maximum on a parabola. It is at the point (h, k).
Axis of symmetry
A line that divides a figure in half so that each half is the mirror image of the other
Standard form of a quadratic
The form of a quadratic equation where you use a, b and c.
Vertex Form of a Quadratic
The form of a quadratic equation where you use a, h and k.
Roots of a Quadratic Equation
The solutions of a quadratic equarion and the related x-intercepts. Where the quadratic crosses the x-axis.