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#TSAMath6Unit7
Unit 7: Equations and Inequalities
Term | Definition |
---|---|
> | greater than |
< | less than |
= | equal to |
equation | a mathematical statement containing an equals sign, to show that two expressions are equal. |
inequality | a mathematical statement containing a comparison symbol to show two expressions are not equal. |
≤ | less than or equal to, maximum, at most |
≥ | greater than or equal to, minimum, at least |
solution | the answer to a problem |
set | collection of items noted with curly braces { } , for example: the set of prime numbers under 20 = {2, 3, 5, 7, 11, 13, 17, 19} |
solution set | a group of answers to a problem when there is more than one correct answer |
solve | the process of determining the answer to a problem, specifically, an equation or inequality |
evaluate | to find a numerical value to an expression, "work out" an expression |
variable | a letter or symbol representing a varying quantity, for example, n in 10 + n. |
constant | a quantity having a fixed value that does not change or vary, such as a number. |
coefficient | a number which multiplies a variable |
Inverse operation | opposite, reverse operations such as addition and subtraction, or multiplication and division. |