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Linear Equations
Vocabulary for Linear Equations
13
Mathematics
9th Grade
11/16/2008

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Term
Equation
Definition
anything with an equal sign and two sides that can be solved
Term
Linear Equation
Definition
An equation that, when graphed, makes a line on a coordinate plane
Term
Slope
Definition
the rate at which x values change with y values for a linear equation. Defined as rise over run and the coefficient of x when the equation is in slope-intercept form
Term
Y-intercept
Definition
The point where a line intersects with the y-axis
Term
X-intercept
Definition
The point where a line intersects with the x axis
Term
Slope-Intercept Form
Definition
y=mx+b where m=slope and b=y-intercept
Term
Standard Form
Definition
ax+by=c
Term
Y-axis
Definition
the vertical axis of the coordinate plane where x=0
Term
X-axis
Definition
The horizontal axis of the coordinate plane, where y=0
Term
Origin
Definition
The point (0,0) on the coordinate plane
Term
Ordered Pair
Definition
The written name of a point, shown as (x,y) where x is the x value and y is the y value (also called coordinate)
Term
Solution
Definition
An ordered pair that makes a linear equation true and is a point that lies on the line of the graph
Term
3 Methods of Graphing
Definition
Table method, slope and y-intercept, and both x and y intercepts
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