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Math Vocabulary

Linear Equations and Functions

TermDefinition
Slope The rate of change of a line.
X - Intercept an x-intercept is a point on the graph where y is zero
Y - Intercept a y-intercept is a point on the graph where x is zero
Rate of change A rate that describes how one quality changes into another
Unit rate how many units of the first quality corresponds to one unit of the second type of quantity
Point Slope form an equation of a straight line in the form y-y1 = m(x-x1)where m is the slope of the line and (x1, y1) are the coordinates of a given point on the line
Linear Equation an equation of the first degree in any number of variables
Direct Variation relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other
Constant of proportionality the constant value of the ratio of two proportional quantities x and y
Intersecting lines The point where two lines meet or cross
Proportional relationship Two quantities are proportional if they vary in such a way that one of them is a constant multiple of the other.
Slope - intercept form the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept
Created by: Jaymoo32821
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