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A number represented by the variable r, between -1 and 1, that describes how closely points in a scatter plot cluster around the least-squares line
the equation y=kx describes a direct variation, where y varies directly as x, k is constant of variation, and k doesn't equal 0
a number that can be expressed as the quotient of two integers, where the denominator is not equal to zero
a relation in which, for each first coordinate, there is exactly one corresponding second coordinate
if a vertical line crosses the graph of a relation in more than on point, the relation is not a function
Rationalizing the denominator
the process of removing an imaginary number from the denominator of a quotient
Axis of Symmetry of a Parabola
a line that divides the parabola into two parts that are mirror images of each other
any number that can be written as a+bi , where a and b are real numbers and i=root of -1
a line that a curve approaches (but does not reach) as its x- or y-values become very large or very small
an algebraic expression in which the exponent is a variable and the base is a fixed number
what happens to a polynomial function as its domain values get very small and very large
the number of times that a factor is repeated in the factorization of a polynomial expression
the points on the graph of a polynomial function that correspond to local maxima and minima
a solution to a derived equation that is not a solution to the original equation
holes in the graph
if the factor x-b is a factor of both the numerator and denominator of a rational function
a line that a curve approaches but does not reach as its x or y values become very large or very small
the positive acute angle formed by the terminal side of the angle and the nearest part (positive or negative) of the x-axis
the smallest positive number p that satisfies the equation in the definition of a periodic function
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