2.2 linear equations Flashcards
1
Q
Linear funtion
A
a function whose graph is line
2
Q
Linear equation
A
y=3x=2
3
Q
Dependent variable
A
because the value of y depends on the value of x, y is called the dependent variable
4
Q
Independent variable
A
x is called the independent variable
5
Q
y intercept
A
the point at which the line crosses the y-axis
6
Q
x intercept
A
the point at which the line crosses the x axis
7
Q
standard form of a linear equation
A
Ax=By=c and c are real numbers, and a and b are not both 0.
8
Q
slope
A
of a nonvertical line is the ration of the vertical change to a corresponding horizontal change
9
Q
Slope intercept form
A
you can use use to find slope by examining the equation