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Epressions/epuations

Chapter 7, 8, and 9

TermDefinition
Base- A number used as a repeated factor.
Factor- A number multiplied by another number to find a product
Difference- The answer to a subtraction problem
Exponent- A number that shows how many times the base is used as a factor
Product- The answer to a multiplication problem
Sum- The answer to a addition problem
Terms- The parts of an expression that are separated by an addition or subtraction sign
Algebraic expression- An expression that includes at least one variable
Coefficient- A number that is multiplied by a variable
Equivalent expressions- Expressions that are equal to each other for any values of their variables
Evaluate- Expressions that are equal to each other for any values of their variables
Like terms- Expressions that have the same variable with the same exponent
Numerical expression- A mathematical phrase that uses only numbers and operation signs
Order of operations- A set of rules which gives the order in which calculations are done in an expression
Quotient- The number that results from dividing
Variable- A letter or symbol that stands for an unknown number or numbers
Addition Property of Equality- If you add the same number to both sides of an equation, the two sides will remain equal.
Division Property of Equality- If you divide both sides of an equation by the same nonzero number, the two sides will remain equal.
Equation- An algebraic or numerical sentence that shows that two quantities are equal.
Identity Property of Addition- The property that states that when you add zero to a number, the result is that number.
Identity Property of Multiplication- The property that states that the product of any number and 1 is that number.
Inequality- A mathematical sentence that contains the symbol <,>,=/.
Inverse operations- Opposite operations, or operations that undo each other, such as addition and subtraction or multiplication and division.
Multiplication Property of Equality- If you multiply both sides of an equation by the same number, the two sides will remain equal.
Reciprocal- Two numbers are reciprocals of each other if their product equals 1.
Solution of an equation- A value that, when substituted for the variable, make an equation true.
Solution of inequality- A value that, when substituted for the variable, makes an inequality true.
Subtraction Property of equality- If you subtract the same number from both sides of an equation, the two sides will remain equal.
Created by: ma029977
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