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# ASFL - PreAlgebra1

### Holt PreAlgebra Chapter1 vocab

Addition Property of Equality The property that states that if you add the same number to both sides of an equation, the new equation with have the same solution.
Algebraic Expression An expression that contains at least one variable.
Algebraic Inequality An inequality that contains at least one variable.
Coefficient The number that is multiplied by the variable in an algebraic expression.
Constant A value that does not change
Coordinate Plane A plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
Division Property of Equality The property that states that if you divide both sides of an equation by the same nonzero number, the new equation will have the same solution.
Equation A mathematical sentence that shows that two expressions are equivalent.
Equivalent Expressions Algebraic expressions that have the same value for every value of variable.
Evaluate To find the value of a numerical or algebraic expression.
Graph of an Equation A graph of the set of ordered pairs that are solution of the equation.
Inequality A mathematical sentence that shows the relationship between quantities that are not equivalent.
Inverse Operations Operations that undo each other: addition and subtraction, or multiplication and division.
Isolate the Variable To get a variable alone on one side of an equation or inequality in order to solve the equation or inequality.
Like Term Two or more terms that have the same variable raised to the same power.
Multiplication Property of Equality The property that states that if you multiply both sides of an equation by the same number, the new equation will have the same solution.
Ordered Pair A pair of numbers that can be used to locate a point on a coordinate plane.
Origin The point where the x-axis and y-axis intersect on the coordinate plane.
Simplify To write a fraction or expression in simplest form.
Solution of an Equation A value or values that make an equation true.
Solution of an Inequality A value or values that make an inequality true.
Solution Set The set of values that make a statement true.
Solve To find an answer or a solution.
Substitute To replace a variable with a number or another expression in an algebraic expression.
Subtraction Property of Equality The property that states that if you subtract the same number from both sides of an equation, the new equation will have the same solution.
Term The parts of an expression that are added or subtracted.
Variable A symbol used to represent a quantity that can change.
X-axis The horizontal axis on a coordinate plane.
X-coordinate The first number in an ordinate pair; it tells the distance to move right or left from the origin.
Y-axis The vertical axis on a coordinate plane.
Y-coordinate The second number in an ordinate pair; it tells the distance to move up or down from the origin.