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replacement set

a set of numbers from which replacements for a variable may be chosen.

conditional statement

the statement "if the popcorn burns, then the hear was too high or the kernals heated unevenly.

bar graph

compares different categories of numerical information, or data by showing each category as a bar whose length is related to the frequency.

open sentence

a mathmatical statement with one or more variables.

line graph

numerical data displayed to show trends or changes over time.


each category as a bar whose length is related to the frequency.


in each expression, the quantities being multiplied.


each object or number in the set.


the multiplicative inverse of a number.

solving an open sentence

finding a replacement value for the variable.

multiplicative inverse

two numbers whose product is 1.

if then statement

conditional statements in the form if A, then B.

solution set

the set of elements from the replacement set.

equivalent expression

expressions that denote the same number.


the number that corresponds to a point on a number line.

circle graph

compares parts of a set of data as a percent of the whole set.


replacement value for the value for the variable in an open surface.


the horizontal number line on a coordinate plane.

simplest form

an expression is in simplest form when it is replaced.


a set of ordered pairs.

additive identity

the sum of any number and 0 is equal to the number.

deductive reasoning

the process of using facts, rules, definitions, or properties to reach a valid conclusion.

independent variable

the variable in a function whose value is subject to choise.

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