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Moving Straight Ahead Vocabulary

Terms in this set (25)

Independent Variable
One of the two variables in a relationship. It's value determines the other variable.
Dependent Variable
One of the two variables in a relationship. It's value is determined by the other variable.
Coefficient
The number that precedes the variable in a term
Constant term
a number, often the starting amount
Coordinates
An ordered pair (x, y)
Expression
a combination of numbers, variables, and operations
Equation
two equal expressions
Equivalent expressions
a combination of numbers, variables, and operations that have the same quantity as a second combination of numbers variables, and operations
Inequality
a comparison of unequal expressions
Intersecting
Lines that cross
Linear
A relationship with a constant rate of change between the two variables
Proportional
Two variables whose relationship is linear and goes through the origin
Origin
(0,0) on a coordinate grid
Properties of Equality
Math rules that allow the same thing to be done to both sides of an equation.
Rise
the vertical change of a line
Run
the horizontal change of a line
Scale
the distance between two consecutive tick marks on an axis
slope
the number that shows the steepness of a line also know as the rise over run
Solution of an Equation
the values that make an equality true
Solve
The process used to isolate a variable in an equation or inequality
Isolate the variable
to make the variable alone
X-intercept
Where the line crosses the x-axis
Y-intercept
Where the line crosses the y-axis
Term
A combination of numbers and/or variables
Like Terms
Parts of an expression that have the same variable or variable combination
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