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Algebra 2 Honors Chapter 2 Vocabulary
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Gravity
Terms in this set (29)
reflection
A transformation that flips a graph or figure in a line.
translation
A transformation that shifts a graph horizontally and/or vertically, but does not change its size, shape, or orientation.
transformation
This changes a graph's size, shape, position, or orientation.
vertex of an absolute value graph
The highest or lowest point on the graph of an absolute value function.
absolute value function
A function that contains an absolute value expression.
best-fitting line
The line that lies as close as possible to all the data points in a scatter plot.
relatively no correlation
...
correlation coefficient
a measure, denoted by where of how well a line fits a set of data pairs
negative correlation
The paired data have this if tends to decrease as increases.
positive correlation
The paired data have this if tends to increase as increases.
scatter plot
A graph of a set of data pairs used to determine whether there is a relationship between variables and .
constant of variation
The nonzero constant in a direct variation equation
direct variation
Two variables show this provided that where is a nonzero constant.
point slope form
An equation of a line written in the form where the line passes through the point and has a slope of .
standard form of a linear equation
A linear equation written in the form where and are not both zero
slope intercept form
A linear equation written in the form where is the slope and is the y-intercept of the equations graph.
reciprocal
Given a number , this value is
rate of change
A comparison of how much one quantity change, on average, relative to the change in another quantity.
perpendicular
Two lines in the same plane that intersect to form a right angle.
parent function
The most basic function in a family of functions.
intercept
The coordinate of a point where a graph intersects the axis.
parallel
Two lines in the same plane that do not intersect.
slope of a line
The ratio of vertical change (the rise) to horizontal change (the run) for a nonvertical line.
function notation
Using {or a similar symbol such as } to represent the dependent variable of a function.
linear function
A function that can be written in the form where and are constants.
function
A relation for which each input has exactly one output
range
The set of output values of a relation
domain
The set of input values of a relation.
relation
A mapping, or pairing of input values with output values.
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