Algebra Vocab PreTest

1.

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A polynomial function of degree 1.

2.

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The formula that emerges from solving the general form of a quadratic equation by completing the square.

3.

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A correspondence between two sets, X and Y, in which each element of X is paired with one and only one element of Y.

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Any relationship between measures of two types of quantities so that one is statistically dependent on the other.

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The sum of the exponents of the variables that appear in a term of a polynomial.

6.

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A symbol that is a placeholder for a number .

7.

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A polynomial function of degree 3.

8.

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The principle (positive) square root of the sample variance.

9.

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The set of input values of a function.

10.

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It describes variability by identifying the length of the interval that contains the middle 50% of the data values.

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The set of output values of a function.

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A number in the domain of the variable that, when substituted for all instances of the variable in both expressions, makes the equation a true number sentence.

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A model that seeks to describe phenomena or summarize them in a compact form.

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The simplest function in a “family” of functions that can each be formed by one or more transformations of another.

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The highest degree of the terms in the polynomial.

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It measures the strength and direction of a linear relationship between two types of quantities.

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Sometimes referred to as a symbolic model.

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If the product of an equation equals zero then at least one of its factors is zero.

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The difference between the actual and predicted value for a given x.

20.

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The nature of the roots of a quadratic equation can be identified by determining if this is positive, negative, or equal to zero.