2.2 Linear Equations Flashcards
1
Q
Linear Function
A
Function that graphs a line
2
Q
Linear equations
A
y = 3x + 2
3
Q
Dependent Variable
A
The value of y depends on the value of x, y is the dependent variable
4
Q
Independent Variable
A
x is called the independent variable
5
Q
y-intercept
A
is the point at which the line crosses the y-axis
6
Q
x-intercept
A
a line is the point at which the line crosses the x-axis
7
Q
Standard form of a linear equations
A
Ax + By = C where A, B, and C are real numbers
8
Q
Slope
A
a nonvertical line is the ratio of the vertical change to a corresponding horizontal change
9
Q
Point-slope form
A
you know the slope and a point on a line
10
Q
Slope-intercept form
A
Another form of the equation of the line