Overview Systems of inequalities can be solved in much the same way as linear equations. If there is a solution in which the systems intersect, it will be in terms…
read moreOverview Absolute value functions are functions in which f(x) = │x│. They are important in a number of settings, including the study of error and probability functions. Definition of Absolute…
read moreOverview The intersection of sets refers to the elements that both sets have in common, while the union of sets refers to the elements that both sets have together. If…
read moreOverview: Calculating the values for weighted averages and mixtures is common to many fields, from education to chemistry. The calculations for both require attention to the amount of each quantity…
read moreOverview: The Distributive Property in math can be used to solve equations by combining like terms. It is another tool to simplify complicated problems by using common patterns of multiplication…
read moreOverview: Factorials involve all possible outcomes of an event. They are calculated by multiplying the number of possible events times the number of events minus 1 times the number of…
read moreOverview: In a mathematical function, each value of x (the domain) can be matched with only one value of y (the range). If there is one value for x, but…
read moreOverview: Solving quadratic equations is an important skill in algebra. Some methods of solving quadratic equations include factoring, taking the square root of both sides, completing the square, and using…
read moreOverview: When data points are plotted onto a standard graph, that is only the first step in determining the nature of the relationship. The next step is to determine if…
read moreOverview: Equations that describe the relationship between two variables in a sentence express the variation between those variables. Examples of types of variation include direct, inverse, joint, and combined variation.…
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