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Definition
| The first coordinate is am ordered pair pf numbers associated with a point in a coordinate plane. Also called x-coordinate. |
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| The positive number of any pair of opposite nonzero real numbers is the absolute value of each number. The absolute value of 0 is 0. |
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| A number and it's opposite. |
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| A figure formed by two different rays that have the same end-point. |
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| The area of a region is the number of square units it contains. |
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| The average of a set of numbers is the sum of hte numbers divided by the number of numbers. |
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| A polynomial of only two terms. |
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| A line that separates the coordinate plane into three sets of points: the points on the line; the points below the line. |
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| Points that lie on the same line. |
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Definition
| A factor of two or more integers is called a common factor of the integers. |
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| A fraction whose numerator or denominator contains one or more fractions. |
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Definition
| A sentence formed by joining two open sentences by the word and. |
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Definition
| Numbers obtained by counting by twos, beginning with any odd integer. |
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Term
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Definition
| The converse of a statement in "if-then" form is obtained by interchanging the "if" and "then" parts of the statement. |
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Term
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Definition
| The sum of the degrees of the variables in the monomial. |
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Term
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Definition
| The greatest of the degrees of its terms after it has been simplified. |
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Term
| degree of a variable of a monomial |
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Definition
| The number of times that the variable occurs as a factor in the monomial. |
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Term
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Definition
| A polynomial is factored completely when it is expressed as the product of a monimial and one or more prime polynomial. |
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Term
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Definition
| An expression with three terms that is the square of a binomial. |
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Term
| standard form of a polynomial equation |
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Definition
| A form of the equation in which one side is zero and the other is a simplified polynomial arranged in the order of decreasing degree of the variable. |
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Term
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Definition
| An expression that contains a variable. |
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Term
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Definition
| The set consisting of zero and all the positive integers. |
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| zeros of a quadratic function |
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Definition
| The members of the solution set of the related quadratic equation. |
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Term
| simplipying an expression |
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Definition
| Replacing an expression containing variables by an equivalent expression with as a few terms as possible. |
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Definition
| Two angles whose sides are rays in the same line, but in opposite directions. |
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Term
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Definition
| When a common fraction is written as a decimal by dividing the numerator by the denominator, the result is a terminating decimal if the remainder is zero. Also called "ending decimal" or "finite decimal" |
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Term
| solution set of an open sentence |
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Definition
| The set of all solutions of the sentence. |
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Term
| simplest form of an expression having a square-root radical |
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Definition
| The form of the expression in which no intergral radicand has a square factor other than one; no fractions are under a radical sign; no radicals are in the denominator. |
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| simplest form of an algebraic fraction |
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Definition
| A form of the fraction in which the numerator and denominator have no common factor other than 1 and -1. |
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Definition
| Two triangles are similar if the measures of two angles of one triangle equal the measures of two angles of the other. Angles with equal measures are called "corresponding angles". Sides opposite corresponding angles are called "corresponding sides". |
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Definition
| An activity whose outcome can't be predicted when the activity is repeated under essentially the same conditions. |
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Term
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Definition
| In a right triangle, the side opposite the right angle. |
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Definition
| A triangle having two sides of equal length. The third side is called the "base". The angles opposite the equal sides are the "base angles". |
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Definition
| A polynomial that cannot be expressed as a product of polynomials of lower degree. |
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Term
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Definition
| When a common fraction is written as a decimal by dividing the numerator by the denominator, the result is a nonterminating decimal if a digit or block of digits repeats endlessly as the remainder. Also called "unending?, "infinite", "repeating", or "periodic decimal". |
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Term
| maximum point of a parabola |
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Definition
| The highest poing; the point whose y-coordinate is the greatest value of the corresponding function. |
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Definition
| The nonzero constant k in a direct variation defined by y=kx or in an inverse variation defined by xy=k. Also called "constant of proportionality". |
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Definition
| A monomial consisting of a numeral only; a term with no variable factor. |
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Term
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Definition
| A correspondence between two sets, the "domain" and the "range", that assigns to each member of the domain "exactly one" member of the range. |
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| addition-or-subtraction method |
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Definition
| A mehtod of solving a system of two equations; one variable is eliminated by adding or subtracting the equations. |
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Term
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Definition
| If a variable varied directly as one variable and inversely as another, the resulting relationship is a combined variation (expressed by xy=kx, k a nonzero constant). |
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Term
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Definition
| in a power, the number that indicates how many times the base is used as a factor. |
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Term
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Definition
| In a frequency distribution, the middle number or the average of the two middle numbers when the data are arranged in order. |
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Term
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Definition
| If a variable varies directly as the product of two or more other variables, the resulting relationship is a joint variation (expressed by z=kxy, k a nonzero constant). |
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Definition
| A polynomial equation of degree one. |
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Term
| linear equation in two variables |
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Definition
| Any equation equivalent to one of the form az+by=c, where a, b, and c are real numbers with a and b not both zero. Its graph is a line. |
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Definition
| A positive number in a scientific notation is expressed as a product of an ubmer greater than or equal to one but less than ten, and an integral power of 10. |
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Term
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Definition
| In any right triangle, the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs. (The converse is also true.) |
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Definition
| The ratio of one number to another is the quotient when the first number is divided by the second number (not zero). |
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Definition
| An equation that is true for every value of the variable(s). |
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