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Linear Equations Vocabulary
This flashcard set will introduce the vocabulary needed to be successful with Linear Equations
17
Mathematics
9th Grade
11/30/2010

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Term
Collinear
Definition
Points are __________ if they lie on the same line.
Term
Constant
Definition
a term in an algebraic expression that does not contain any variables; just a number.
Term
Discrete Graph
Definition
A graph consisting of points that are not connected.
Term
Equation
Definition
A mathematical statement which uses the equal symbol (=) to show that two expressions are equivalent.
Term
Exponent
Definition
The number that tells how many times the base is used as a factor. In an expression a^2, 2 is the __________.
Term
Horizontal Line
Definition
A line parallel to the x-axis. The equation for this type of line is always y = some number.
Term
Linear Equation in 2 Variables (Standard Form)
Definition
An equation with two variables (x & y) whose graph is a straight line and that can be written in the form Ax + By = C, where A, B, and C are real numbers and A and B are both not = 0.
Term
Linear Function
Definition
Any function that can be defined by a linear equation, and usually written in the form y = mx + b.
Term
Linear Pattern
Definition
A pattern that can be modeled by a linear function.
Term
Rate
Definition
A ratio that compares quantities of different kinds of units, such as miles per hour or rise to run.
Term
Rate of Change
Definition
In a linear function, the ratio of the change in the y-values to the change in the x-values. This relationship is represented by the slope of the function.
Term
Slope
Definition
A measurement of the steepness of a line in the coordinate plane; represented by the letter "m."
Term
Slope-Intercept Form
Definition
A linear equation in the form y = mx + b, where m is the slope of the line and b is the y-intercept.
Term
Solution of an Equation in 2 Variables
Definition
An ordered pair of numbers (x,y) that makes the equation true.
Term
Vertical Line
Definition
A line parallel to the y-axis. The equation for this type of line will always be x = some number.
Term
X-Intercept
Definition
The x-coordinate of the point where a graph crosses the x-axis.
Term
Y-Intercept
Definition
The y-coordinate of the point where a graph crosses the y-axis.
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