7th Grade Pre Algebra Words
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| algebra | a branch of mathematics dealing with symbols
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| algebra expression | an expression that contains sums and/or products of variables and numbers
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| coordinate plane | another name for coordinate system
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| coordinate system | a coordinate system 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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| counterexample | an example that shows conjecture is not true
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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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| defining a variable | choosing a variable and a quantity for the variable to represent in an equation
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| domain | the domain of relation is the set of all x-coordinates from each pair
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| equation | a mathematical sentence that contains an equal sign (=)
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| evaluate | find the numerical value of an expression
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| function | a function is a special relation in which each element of the domain is paired with exactly one element in the range
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| function rule | the operation performed on the input of a function
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| function table | a table organizing the input, rule, and output
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| graph | a dot at the point that corresponds to an ordered pair on a coordinate plane
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| numerical expression | a combination of numbers and operations such as addition, substraction, multiplication, and division
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| order of operations | the rules to follow when more than one operations is used in an expression. Think PEMDAS ***MD left to right and ***AS left to right
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| ordered pair | a pair of numbersused to locate any point on a coordinate plane
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| origin | the point at which the number lines intersect in a coordinate system
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| properties | statements that are true for any numbers
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| range | the range of a relation is the set of all y-coordinates from each ordered pair
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| relation | a set of ordered pairs
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| scatter plot | a graph that shows the relationship between two set of data
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| simplify | to write an expression in a simpler form
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| variable | a placeholder for any value
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| x-axis | the horizontal number line which helps to form the coordinate system
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| x-coordinate | the first number of an ordered pair
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| y-axis | the vertical number line wich helps to form the coordinate of a point where a graph crosses the y-axis
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| y-coordinate | the second number of an ordered pair.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
szimmerman
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