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In an experiment, the ____________________ is the variable you change. It may also be thought of as the variable that causes a change in the dependent variable. Values of the ____________________ are represented by values on the x-axis.
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In an experiment, you observe changes in the ____________________. Also, its value “depends” on the value of the variable graphed on the x-axis. Values of the ____________________ are represented by values on the y-axis.
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| A pairing of values of two variables. In this class, we will encounter __________ in the form of tables of values, sets of ordered pairs, equations, graphs and sentences. |
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A plane that is divided into four regions by a horizontal and a vertical number line. The locations of points in the __________ are given by ordered pairs.
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One of the intersecting number lines that divide the coordinate plane into quadrants.
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The horizontal line that divides the coordinate plane. Values of the independent variable are represented by values on the __________.
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The vertical line that divides the coordinate plane. Values of the dependent variable are represented by values on the __________.
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The point where the x- and y-axes intersect (cross). The coordinates of the __________ are (0, 0).
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One of the four regions of the coordinate plane formed by the x- and y-axes.
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One pairing of values in a mathematical relation. A/an ____________________ represents a position on the coordinate plane. Examples of ____________________s: (–5, 6), (x, y)
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The distance represented by each division on a number line. For example, if each division on the x-axis represents 5 feet, then the __________ is 1 division = 5 ft.
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A quantity is __________ if there are “holes” between succeeding values. (“Succeeding” means to “come after.”) For example, if the quantity is “number of customers,” you can have 3 customers or 4 customers, but there is no value of customers between 3 and 4. If either variable is __________, you do not “connect the dots” when graphing.
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A quantity is __________ if there are no “holes” between succeeding values. For example, if the quantity is “weight of a patient,” you can have a weight of 128 pounds and a weight of 129 pounds. In fact you can have weights in between 128 and 129. No matter how small the division, this remains true. You can have a weight of 128.1 pounds and 128.2 pounds, and there are still weights in between those. If both variables are __________, you do “connect the dots” when graphing.
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