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16 Cards in this Set

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to become different
coordinate graph
a display of data made up of points that are related to the independent and dependent variables
coordinate pair
The numbers on the X and Y axis are called a 'coordinate pair'

For example, if y = 3 when x = 2, then (2,3) is a coordinate pair.
dependent variable
The 'jumping jacks' in the jumping jack activity are an example of a dependent variable.
the number on the vertical axis
you find 'distance' when you multiply time by rate of speed

D= miles per hour X time
a rule that has a variable like C=d x pi that always has an equal sign
y=2x or y = 4x + 2
You find profit when you subtract cost (or expenses) from the income
independent variable
TIME is often an example of an independent variable.
the number on the horizontal axis
On a graph, we notice a ________ by looking at how the data changes.
How one variable affects another variable is called a RELATIONSHIP.
Pretend that I am the independent variable in my relationship with you, and YOU are the dependent variable. If I am not kind to you, we have a BAD relationship. If I respectful to you, we have a GOOD relationship.
a rule tells you how to find the value of a variable.
numbers on the x and y axis represent the 'scale'
When two or more variables are recorded on a vertical/horizontal list is called a TABLE.
a quantity (often a number) that can change.
For example, when y= 3x or when y=3x + 2, 'x' and 'y' are variables in both number sentences.
The independent variable always goes on the coordinate grid's horizontal line. The name for this horizontal line is called the X-axis.
The dependent variable always goes on the coordinate grid's vertical line. This line is called the Y-axis.