2.2: Linear Equations Flashcards
A function whose graph is a line is a _________
Linear Function
You can represent a linear function with a _________, such as y = 3x + 2
Linear Equation
The value of y depends on the value of x, y is called the _________
Dependent Variable
The value of y depends on the value of x, x is called the _________
Independent Variable
The _______of a line is the point at which the line crosses the y-axis
y-intercept
The _______of a line is the point at the at which line crosses the x-axis
x-intercept
The _______is Ax + By = C, where A, B, and C are real numbers, and A and B are not both zero
Standard Form of a Linear Equation
The _______of a non-vertical line is the ratio of the vertical change to a corresponding horizontal change
Slope
When you know the slope and the point on a line, you can use the _________to write the equation of the line
Point-slope Form
Another form of the equation of a line is _________, which you can use to find slope by examining the equation
Slope-intercept Form