12 terms

Unit 2 - Quadratic Functions

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axis of symmetry
the line that divides a parabola into two matching halfs
completing the square
a method of solving quadratic equations by turning part of the equation into a perfect square trinomial
discriminant
b^2 - 4ac This can be used to determine the number of solutions of an equation
maximum
The y-coordinate of the vertex of a downward opening parabola.
minimum
The y-coordinate of the vertex of an upward opening parabola.
parabola
The graph of a quadratic function
quadratic equation
an equation that can be written in the standard form ax^2 +bx + c = 0
quadratic formula
quadratic function
The graph of this function is a parabola
root of an equation
The solution(s) of an equation.
vertex
The highest or lowest point on a parabola
zero of a function
The x-intercept(s) of the graph of a function