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28 Cards in this Set
- Front
- Back
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algebra |
branch of mathematics dealing with symbols |
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algebraic expression |
an expression that contains sums and or products of variables and number |
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numerical expression |
a combination of numbers and operations such as addition, subtraction, multiplication, and division |
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order of operations |
rules to follower when more than one operation is used in an expression |
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coordinate plane |
another name for the coordinate system |
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ordered pair |
a pair of numbers used to locate any point on a coordinate plane |
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coordinate system |
a ? is formed by the intersection of two number lines that meet at right angles at their zero points, also called a coordinate plane |
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origin |
point at which the number lines intersect in a coordinate system |
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counterexample |
an example that shows a conjecture is not true |
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properties |
statements of equality of two or more ratio |
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deductive reasoning |
the process of using facts, properties, or rules to justify reasoning or reach valid conclusions |
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range |
a measure of variation that is the difference between the least and greatest values in a set of data |
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defining a variable |
choosing a variable and a quantity for the variable to represent in an equation |
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relation |
set of ordered pairs |
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domain |
the ? of a relation is the set of all x coordinates from each pair |
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scatter plot |
the relationship between a set of data with two variables, graphed as ordered paris on a coordinate plane |
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equation |
a mathematical sentence that contains an equals sign |
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simplify |
to write an expression in a simpler term |
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evaluate |
find the numerical value of an expression |
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variable |
a placeholder for any value |
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function |
special relation in which each element of the domain is paired with exactly one element in the range |
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x axis |
the horizontal number line which helps to form the coordinate system |
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function rule |
the operation performed on the input of a function |
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x coordinate |
the first number in an order pair |
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function table |
a table organizing the input, rule, and output of a function |
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graph |
a dot at the point that corresponds to an ordered pair on a coordinate plane |
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y coordinate |
the second number in an ordered pair |
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y axis |
the vertical number line which helps to form the coordinate system |
