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| A collection of two or more equations with two or more variables |
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| A diagram showing the relation between quantities, typically of two variables, each measured along one of a pair of axes at right angles |
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| A number that stands on its own or a letter that stands for a fixed number |
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| A number, quantity, or expression containing quantities that are expressible, as a ratio of whole numbers. When expressed as a decimal, a rational number has a finite or recurring expansion. |
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| A number, quantity, or expression not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal. Examples of irrational numbers are the number π and the square root of 2. |
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| A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x y). |
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| A rectangular array of numbers or other mathematical objects for which operations such as addition and multiplication are defined. |
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| A relation shown by the standard form equation f(x)=ax^2+bx+c, where a, b,and c are constants and "a" is not equal to zero |
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| A set of ordered pairs in which none of the first elements of the pairs appears twice. |
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| A statement that the values of two mathematical expressions are equal |
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| A value that can change depending on conditions |
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| An expression containing a radical (√) symbol. Many people mistakenly call this a 'square root' symbol, and many times it is used to determine the square root of a number. However, it can also be used to describe a cube root, a fourth root, or higher. |
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| Points arranged in or along a straight or nearly straight line. |
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| Sometimes called a spurious solution; it is a solution that emerges from the process of solving the problem but is not a valid solution to the problem. |
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Definition
| Two or more inequalities joined together by "and" or "or" |
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Term
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Definition
| Two or more inequalities, with two or more variables. |
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