Coordinate Algebra - Unit 3: Linear and Exponential Functions
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Created by:
bookswan Plus on July 9, 2012
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Classes:
Coordinate Algebra Impact Academy, 2nd Block Coordinate Algebra, 3rd Block Coordinate Algebra Support, CCGPS Coordinate Algebra, CCGPS Math Grades 6-12
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27 terms
Terms | Definitions |
|---|---|
 Arithmetic Sequence | A sequence of numbers in which the difference between any two consecutive terms is the same. |
| Average Rate of Change | The change in the value of a quantity by the elapsed time. For a function, this is the change in the y-value divided by the change in the x-value for two distinct points on the graph. |
| Coefficient | A number multiplied by a variable in an algebraic expression. |
| Constant Rate of Change | With respect to the variable x of a linear function y = f(x), the constant rate of change is the slope of its graph. |
| Continuous | Describes a connected set of numbers, such as an interval. |
| Discrete | A set with elements that are disconnected. |
| Domain | The set of x-coordinates of the set of points on a graph; the set of x-coordinates of a given set of ordered pairs. The value that is the input in a function or relation. |
| End Behaviors | The appearance of a graph as it is followed farther and farther in either direction. |
| Explicit Expression | A formula that allows direct computation of any term for a sequence a1, a2, a3, . . . , an, . . . . |
| Exponential Function | A nonlinear function in which the independent value is an exponent in the function, as in y = abx. |
| Exponential Model | An exponential function representing real-world phenomena. The model also represents patterns found in graphs and/or data. |
| Expression | Any mathematical calculation or formula combining numbers and/or variables using sums, differences, products, quotients including fractions, exponents, roots, logarithms, functions, or other mathematical operations. |
| Even Function | A function with a graph that is symmetric with respect to the y-axis. A function is only even if and only if f(-x) = f(x). |
| Factor | For any number x, the numbers that can be evenly divided into x are called factors of x. For example, the number 20 has the factors 1, 2, 4, 5, 10, and 20. |
| Geometric Sequences | A sequence of numbers in which the ratio between any two consecutive terms is the same. In other words, you multiply by the same number each time to get the next term in the sequence. This fixed number is called the common ratio for the sequence. |
| Interval Notation | A notation representing an interval as a pair of numbers. The numbers are the endpoints of the interval. Parentheses and/or brackets are used to show whether the endpoints are excluded or included. |
| Linear Function | A function with a constant rate of change and a straight line graph. |
| Linear Model | A linear function representing real-world phenomena. The model also represents patterns found in graphs and/or data. |
| Odd Function | A function with a graph that is symmetric with respect to the origin. A function is odd if and only if f(-x) = -f(x). |
| Parameter | The independent variable or variables in a system of equations with more than one dependent variable. |
| Range | The set of all possible outputs of a function. |
| Recursive Formula | A formula that requires the computation of all previous terms to find the value of an. |
| Slope | The ratio of the vertical and horizontal changes between two points on a surface or a line. |
| Term | A value in a sequence--the first value in a sequence is the 1st term, the second value is the 2nd term, and so on; a term is also any of the monomials that make up a polynomial. |
| Vertical Translation | A shift in which a plane figure moves vertically. |
| X-intercept | The point where a line meets or crosses the x-axis |
| Y-intercept | The point where a line meets or crosses the y-axis |
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