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Tenor Chapter 9 Algebra
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Terms in this set (18)
absolute value function
A function written as f(x) = lxl, in which f(x) is greater than or equal to 0 for all values of x.
axis of symmetry
The vertical line containing the vertex of a parabola.
completing the square
To add a constant term to a binomial of the form x^2 + bx so that the resulting trinomial is a perfect square.
dilation
A transformation that alters the size of a figure but not its shape.
discriminant
b^2 - 4ac
double root
The roots of a quadratic function that are the same number.
greatest integer function
A step function where f(x) is the greatest integer less than or equal to x.
maximum
The highest point on the graph of a curve.
minimun
The lowest point on the graph of a curve.
parabola
The graph of a quadratic function.
piecewise-defined function
A function written using two or more expressions.
piecewise-linear function
A function written using two or more linear expressions.
quadratic function
An equation in the form y=ax^2+bx+c, where a cannot be 0.
reflection
A transformation where a figure, line, or curve is flipped across a line.
step function
A function with a graph that is a series of horizontal line segments.
transformation
A movement of a geometric figure.
translation
A transformation where a figure is slid from one position to another without being turned.
vertex
The maximum or minimum point of a parabola.
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