Pre Algebra Chapter 1 Mrs. Bradfield
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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| coefficient | the number that is multiplied by the variable in an algebraic expression
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| constant | a value that does not change
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| evaluate | to find the value of a numerical or algebraic expression.
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| expression | a mathematical phrase that contains operations, numbers, and/or variables
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| substitute | to replace a variable with a number or another expression in an algebraic expression
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| variable | a symbol used to represent a quantity that can change
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| addition property of equality | if you add the same number to both sides of an equation, the solution is the same
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| equation | a mathematical sentence stating that two expressions are equivalent.
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| inverse operations | operations that undo each other
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| isolate variable | to get a variable alone on one side of an equation or inequality in order to solve it.
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| solution | a value or values that make an equation or inequality true
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| solve | to find an answer or a solution
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| inequality | a mathematical sentence stating the relationship between quantities that are not equivalent
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| like terms | two or more terms that have the same variable raised to the same power
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| simplify | to perform all possible operations, including combining like terms
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| term | the parts of an expression that are added or subtracted
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| ordered pair | a pair of numbers that can be used to locate a point on a coordinate plane
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| coordinate plane | a plane formed by the intersection of a horizontal (x) and a vertical (y) axis.
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| graph of equation | a graph of the set of ordered pairs that are solutions of the equation
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| origin | the point where the x-axis and the y-axis intersect in the coordinate plane.
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| x-axis | the horizontal axis on a coordinate plane
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| x-coordinate | the first number in an ordered pair; it tells the distance to move right or left fom the origin
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| y-axis | the vertical axis on a coordinate plane
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| y-coordinate | the second number in an ordered pair; it tells the distance to move up or down from the origin
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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.
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.
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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