2.2 Linear Equations Flashcards
1
Q
a function whose graph is a line
A
linear function
2
Q
you can rep. a lin. fnc. with a
A
linear equation
3
Q
y
A
dependent variable
4
Q
x
A
independent variable
5
Q
the point where the line crosses the y-axis
A
y-intercept
6
Q
the point where the line crosses the x-intercept
A
x-intercept
7
Q
Ax+By=C where A B and C are real numbers and A and B are not both zero
A
the standard form of a linear equation
8
Q
of a nonvertical line is the ratio of the vertical change to corresponding horizontal change
A
slope
9
Q
point-slope form
A
y-y1=m(x-x1)
10
Q
slope intercept form
A
y=mx+b
