An experimental variable is something that a scientist changes during the course of an experiment. It is distinguished from a controlled variable, which could theoretically change, but the scientists keep constant. More »

Some examples of continuous variables are measuring people's weight within a certain range, measuring the amount of gas put into a gas tank or measuring the height of people. A continuous variable is any variable that ca... More »

Psychological variables refer to elements in psychological experiments that can be changed, such as available information or the time taken to perform a given task. Variables can be classified as either dependent or inde... More »

A controlled variable is the element or feature that cannot be changed during the course of an experiment. The controlled variable is kept constant so the changes in other variables can be observed more easily. According... More »

A manipulated variable is a facet of an experiment that researchers or scientists change in order to see how the outcome of the experiment changes. The manipulated variable is also called the independent variable, and it... More »

A monic polynomial is a mathematical expression that consists of coefficients and a single variable, with the leading coefficient equal to one. The leading coefficient is found in the term that contains the variable with... More »

Change a quadratic function to its vertex form by applying a process called completing the square, then isolate the y variable on one side of the equation. The vertex form is represented by the formula y = a(x-h)^2 + k, ... More »

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