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PreAlg C4-C5
PreAlgebra C4/C5
| Term | Definition |
|---|---|
| closed set of numbers | refers to a condition when an operation is performed on two numbers of a set that results in a number that is also within the set |
| distance formula | the distance 'd' between any two points (x1, y1) and (x2, y2) is given by the formular d = sqrt(x2-x1)^2 + (y2-y1)^2 |
| function | a relationship that pairs each input with exactly one output |
| function rule | an equation that describes the relationship between inputs (independent variable) and outputs (dependent variable) |
| hypotenuse | the side of a right triangle that is opposite the right angle |
| input | in a relation, they are values associated with outputs |
| irrational number | a number that cannot be written as the ratio of two integers |
| legs | the two sides of a right triangle that form the right angle |
| linear function | a function whose graph is a non-vertical line; it contains a constant rate of change |
| mapping diagram | a way to represent a relation |
| nonlinear function | a function that does not have a constant rate of change; a function whose graph is not a line |
| output | in a relation, they are the values associated with inputs |
| perfect square | a number with integers as its square roots |
| Pythagorean Theorem | in any right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse; a^2 + b^2 = c^2 |
| radical sign | the symbol that represents square root |
| radicand | the number under the radical sign |
| real numbers | the set of all rational and irrational numbers |
| relation |
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shelleypruit