Vocabulary
a horizontal line used to locate a point on coordinate graph
axis
a rule that assigns each action to exactly one output
function
the cartesian is the same as
coordinate plan
an ordered pair of numbers that identifies a point on the coordinate plane
coordinates
one of four sections of a coordinate grid
quadrant
the horizontal axis : the line where the equation is y=0
x-axis
the point where a graph of an equation crosses the x-axis
x-intercept
the vertical axis; the line whose equation is x=0
y-axis
the point where a graph of an equation crosses the y-axis
y-intercept
the measure of steepness of a line
the slope
the equation of a straight line in the form : y=mx+b
Slope-intercept form
the set of input value of a function
domain of a function
the set of output values of a function
range of a function
drawing a vertical line through a function if the line has only one point of intersection, then the graph is a function
vertical line test
a notation in which a function is named with a letter and input is shown in () after the fx name
function notation
states that any mathematical relationship can expressed 4 ways
rule of four
straight equations
linear
a parabola is an example of
non-linear
(-x, +y) is located in Quadrant
II
(+x, +y) located in Quadrant?
I
an organized list of values from a function
Table of values
y2-y1/x2-x1
formula for slope of a line
a positive slope goes
up
zero slope is
horizontal
undefined slop is
vertical