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# Graphs and Functions

### Integrated Math

TermDefinition
coordinate plane Two number lines that intersect at right angles to form four right angle sections.
x-axis The horizontal number line.
y-axis The vertical number line.
quadrants The four right angle sections.
origin Intersection point of both the x and y axis.
ordered pair The x and y value that identifies a location on the coordinate plane.
coordinates Each individual value of an ordered pair.
scatter plot A graph that relates two groups of data.
positive correlation Both sets of data increase together.
negative correlation One set of data decreases as the other set increases.
no correlation Two sets of data that are not related.
relation A set of ordered pairs.
domain The x values in the ordered pair.
range The y values in the ordered pair.
function A relation in which the x value has only one partner.
vertical line test A test done vertically in which you pass through only one given point at a time.
function rule An equation that describes a function.
independent variable The input values.
dependent variable The output values.
rate of change (slope) Ratio of the change in dependent values/independent values.
point-slope form y - y1 = m(x - x1)
slope-intercept form y = mx + b
y-intercept The location where you cross the y-axis exactly.
standard form Ax + By = C
x-intercept The location where you cross the x-axis exactly.
parallel lines Two lines that run side by side never touching and their slopes are the same.
perpendicular lines Two lines that form right angles when intersected and their slopes are opposite reciprocals of each other.
line of best fit The trend line that shows the relationship between two sets of data most accurately.
Created by: tamarablyons