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# Algebra 1-Chapter 5

### Algebra1-Chapter 5 Vocabulary

The equation of a nonvertical line y-y1=m(x-x1) that passes through a given point (x1, y1)with a slope m. point-slope form
A statement in which the hypothesis and conclusion of a conditional statement are interchanged. converse
Two lines in a plane that intersect each other and form a right angle. perpendicular lines
A graph used to determine whether there is a relationship between paired data. scatter plot
The relationship between two data sets. correlation
A model used to represent the trend in data showing a positive or negative correlation. line of fit
The line that most closely follows a trend in data. best-fitting line
Use of a line or its equation to approximate a value between two known values. interpolation
Use of line or its equation to approximate a value outside the range of known values. extrapolation
For a function y = f(x), the x-value for which f(x) = 0 or y = 0. zero of a function
equations that have the same solutions. equivalent equations
a statement with a hypothesis and a conclusion. conditional statement
Two lines in the same plane that do not intersect. parallel lines
Created by: aelohaus