Key Ideas
- Linear equations
- Slope-intercept form
Solving the Question
Linear equations are typically organized like this:
where m is the slope and b is the y-intercept.
When the equation is like
, it means that it is a horizontal line and the slope is 0.
When the equation is like
, it is a vertical line and the slope is undefined.
Answer
First equation: 0
Second equation: undefined
Third equation: