Section 2.3
in order to graph the line whose equation is y=2/3 +3, begin by plotting the point _____. from this point, we move _____ units up (the rise) and _____ units to the right (the run).
(0,3) ; 2 ; 5
the equation Ax+By+C = 0, where A and B are not both zero, is called the _______ form of the equation of a line.
general
the graph of the equation y=3 is a/an
horizontal line
if a line falls from left to right, the slope is
negative
if a line rises from left to right the slope is
positive
the slope of a vertical line is
undifined
the graph of the equation x=-2 is a/an
vertical line
the point slope form of the equation of a non vertical line with slope m that passes through the point (x1,y1) is
y-y1=m(x-x1)
the slope intercept form of the equation of a line is _______, where m represents the ______ and b represents the ________.
y=mx+b ; slope ; y-intercept
the slope of a horizontal line is
zero