2.2: Linear equations Flashcards
1
Q
Linear Function
A
A function whose graph is a line.
2
Q
Linear Equation
A
Used to represent a linear function.
3
Q
Dependent variable
A
Y because it depends on x
4
Q
Independent Variable
A
X
5
Q
Y-Intercept
A
Point at which the line crosses the y-axis
6
Q
X-Intercept
A
Point at which the line crosses the x-axis.
7
Q
Standard form of a linear equation
A
Ax + By = C, where A, B, and C are real numbers, and A and B are not both zero.
8
Q
Slope
A
The ratio of the vertical change to a corresponding horizontal change.
9
Q
Point-Slope form
A
used to write the equation of the line.
10
Q
slope-intercept form
A
use to find slope by examining the equation.