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21 Cards in this Set
 Front
 Back
expressions that contain the same variables

like terms


for any numbers a and b, if a=b, then a may be replaced with b

substitution property of equality


place holders that stand for unknown numbers

variables


a graphic form using bars to make comparisons

bar graph


vertical number line

yaxis


(0,0)

origin


horizontal number line

x axis


(x,y)

ordered pair


a bar graph whose columns are right next to each other to show the distribution of data.

histogram


2nd number in the ordered pair

y coordinate


The identity property for addition is....

0


smaller groups representative of the entire population

samples


a mathematical sentence that contains the equal sign.

equation


an equation that contains variables

open sentence


formed by two number lines that intersect at their zero points

coordinate system


combinations of variables, numbers and at least one operation

algebraic expressions


a chart that indicates the number of values in each interval

frequency table


1st number in the ordered pair

x coordinate


the identity property for multiplication is....

1


operations that undo each other

inverse operation


information that has been collected, analyzed, abd presented in an organized way

statistics
