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| a letter used to represent one or more numbers |
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| an expression that includes at least one variable |
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| an expression that represents repeated multiplication of the same factor. (example- 81 is a power of three because 81=3x3x3x3 |
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| little number in right corner of base number |
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| Please Excuse My Dear Aunt Sally |
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| describes a real-world situation using words as labels and using math symbols to relate to the words |
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| a fraction that compares two quantities measured in different units |
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| if the denominator of the fraction is 1 unit the rate is called... |
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| a mathematical sentence formed by placing the symbol = between two expressions |
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| a mathematical sentence formed by placing one of these symbols <,≤,≥,or > between two expressions |
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| an equation or an inequality that contains an algebraic expression |
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| a number that produces a true statement when substituted for the variable in an equation |
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| solution of the inequality |
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| a number that produces a true statement when substituted for the variable in an inequality |
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| an equation that relates two or more quantities. |
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- a set called the domain containing numbers called inputs and a set called the range containing numbers called outputs
- a pairing of inputs with outputs such that each input is paired with exactly one output
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| contains numbers called inputs |
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| contains numbers called outputs |
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| any pairing of a set of inputs with a set of outputs |
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| a number a/b where a and b are integers and b≠0 |
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| two numbers that are the same distance from the number line but on opposite sides of zero |
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| the distance between a number an 0 on the number line |
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| a statement with a hypothesis and a conclusion |
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| the sum of a and its opposite is zero. the opposite of a is this |
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| two expressions that have the same value for all values of the variable |
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3(x+2)=5
What property does this illustrate ? |
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| the parts of an expression that are added together |
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| the number part of a term with a variable part |
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| has a number part but no variable part |
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| terms that have the same variable parts |
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| the reciprocal of a non zero number |
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| the number inside the square root symbol |
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| standard form of a linear equation |
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| the ration of the vertical change (the rise) to the horizontal change (the run) |
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| compares a change in one quantity to a change in another quantity. change over years |
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| the relationship of two variables x and y if there is a nonzero number a such that y=ax. If y=ax, the y is said to vary directly with x. |
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| the nonzero constant a in a direct variation equation y=ax or in an inverse variation equation y= a/x |
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| a group of functions with similar characteristics |
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| graph used to determine whether there is a relationship between paired data |
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| the process of finding the best-fitting line to model a set of data |
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| consists of two separated inequalities joined by and or or. |
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| system of linear equations |
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| consists of two or more linear equations in the same variables |
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| solution of a system of linear equations |
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| an ordered pair that satisfies each equation in the system |
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| consistent independent system |
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| a linear system that has exactly one solution |
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| a linear system with no solution |
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| consistent dependent system |
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| a linear system with infinitely many solutions |
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| system of linear inequalities |
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| consists of two or more linear inequalities in the same variables |
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| solution of a system of linear inequalities |
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| an ordered pair that is a solution of each inequality in the system |
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| graph of a system of linear inequalities |
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| the graph of all solutions of the system |
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