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16 Cards in this Set

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change
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
distance
you find 'distance' when you multiply time by rate of speed

D= miles per hour X time
equation
a rule that has a variable like C=d x pi that always has an equal sign
y=2x or y = 4x + 2
profit
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
pattern
On a graph, we notice a ________ by looking at how the data changes.
relationship
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.
rule
a rule tells you how to find the value of a variable.
scale
numbers on the x and y axis represent the 'scale'
table
When two or more variables are recorded on a vertical/horizontal list is called a TABLE.
variable
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.
X-axis
The independent variable always goes on the coordinate grid's horizontal line. The name for this horizontal line is called the X-axis.
Y-axis
The dependent variable always goes on the coordinate grid's vertical line. This line is called the Y-axis.