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2009 Algebra 1 SOL Vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show Abscissa  
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The distance from x to the origin on the real number line. Because it represents distance, absolute value is never less than zero.   show
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A sequence of steps that produce a desired outcome. It is often a step-by-step procedure.   show
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Numeric or algebraic input into an algorithm, nth function, or other defined function.   show
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A sequence in which successive terms have a common difference. It can be written as an=a1+(n-1)d where "an" is the nth term of the sequence, "a1" is the first term and "d" is the common difference.   show
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show Arithmetic series  
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A line or curve that approaches a given curve arbitrarily closely.   show
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show Binary Operation  
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show Binomial  
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A set is said to be closed under some operation if the operation on members of the set produces a member of the set. A set that is closed under an operation or collection of operations is said to satisfy a closure property.   show
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show Complex Fraction  
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show Complex Number  
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Combining two functions by taking the output of one and using it as the input of another.   show
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show Consistent System (of Equations)  
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The non-zero (usually denoted k) in a direct variation (y=k/x), an indirect variation (y= k/x ) or a joint variation (z=kxy).   show
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A function f is continuous at a point (x, y) if it is defined at that point and passes through that point without a break.   show
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A function f is decreasing on an interval if and only if for every a and b in the interval, f(a) > f(b) whenever a < b.   show
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show Degree (of a polynomial)  
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show Dependent System of Equations  
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show Direct Variation  
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show Discriminant  
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The set of independent values in a function; the set of first elements in ordered pairs in a function.   show
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For two given points (the foci), an ellipse is the locus of points such that the sum of the distances to each focus is constant.   show
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show Function  
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Every polynomial equation with degree greater than zero has at least one root in the set of complex numbers.   show
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show Fundamental Theorem of Arithmetic  
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show Geometric Sequence  
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The sum of the terms of a geometric sequence.   show
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For two given points (the foci), a hyperbola is the locus of points such that the difference between the distances to each focus is constant.   show
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System of linear equations that has no solutions; parallel lines.   show
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show Increasing Function  
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show Independent System of Equations  
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Number indicating what root is being taken.   show
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show Indirect (inverse) variation  
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show x-intercept and y-intercept  
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A relationship that exists when a quantity varies directly with the product of two or more quantities y = kxy.   show
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In a polynomial function of degree n, the leading coefficient is a n and the leading term is anxn.   show
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show Linear Function  
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show Literal Equations  
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show Matrix  
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A product of constants and variables; a polynomial with one term.   show
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a function where every value of y has a unique value for x. This function must passes the horizontal line test.   show
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show Outlier  
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A locus of points whose perpendicular distances to a line, called the directrix, and to a fixed point, called the focus, are equal. The graph of any quadratic function is one.   show
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show Piecewise Function  
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a function that can be written as f(x) = a(n)x to the nth + a(n-1)x(n-1) + . . .   show
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show Prime Polynomial  
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A formula that gives the solutions of the general quadratic equation ax(squared) + bx + c = 0.   show
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A function that may be written f(x)=ax(squares) + bx + c.   show
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An expression of the form square root of r or the nth root of r where r is a number or expression x.   show
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show Range (of a function)  
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The difference between the maximum value and the minimum value in a data set.   show
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show Rational Functions  
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Linear regression is the process of obtaining the line of best fit. The relationship between two sets of data may be described with a line using some goodness-of-fit criterion.   show
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A number x such that P(x)=0. A polynomial of degree n has n roots.   show
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The steepness of a line going from left to right; rise over run; a constant rate of change.   show
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A polynomial expression with three terms   show
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A value of x for which f(x) = 0.   show
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