2.2 Linear Equations Flashcards
1
Q
is any ordered pair (x,y) that makes the equation true.
A
Linear equation
1
Q
a function whose graph is a line
A
Linear function
2
Q
the value of Y depends on the value of X
A
dependent variable
3
Q
value of X
A
independent variable
4
Q
point at which the line crosses the y-axis
A
y-intercept
5
Q
point at which the line crosses the x-axis
A
x-intercept
6
Q
Ax+By=C, where A,B, and C are real numbers, and A, B are not both zero.
A
standard form of a linear equation
7
Q
of a non vertical line is the ratio of the vertical change to a corresponding horizontal change.
A
slope
8
Q
the line through point (x1, y1) with slope m. y- y1= m(x-x1)
A
point-slope form
9
Q
y= mx + b
A
slope-intercept form
