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Unit 3 Vocabulary Math 6th Equations and Inequalities
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Key Concepts:
Terms in this set (19)
variable
A letter representing an unknown amount.
coefficient
A number used to multiply the variable.
inverse operation
Opposite, reverse operations.
(add -- subtract, multiply -- divide)
constant
A set value that doesn't change.
equation
A math statement with an equal sign, to show that two expressions are equal.
expression
A math phrase with numbers, variable, and operations, but no equal sign.
zero pair
A pair of numbers whose sum is zero.
inequality
Two math expressions are not equal.
less than
greater than
less than or equal to
greater than or equal to
Open circle does not include the solution
filled circle does included the solutions
Solution
answer containing the value that makes an equation true
Solution Set
set containing the values the make a inequality true
Simplify
to use the rules of arithmitic and algebra to rewrite an expression in its simplest form
Evaluate
the process of replacing the variables in an expression with the numerical value and simplifying
solve
to work out the answer or solution to a mathematical problem.
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