The linear equations of y=-x+5 and y=.5x+2. The x's are

variables.

In mathematics, a **linear equation** is a type of equation. In a linear equation, both terms have to be constant. A linear equation is the equation of a straight line. This type of equation is written in the form:

**y = mx + b**

or **(y - y1) = m(x - x1)**

where : m = the rate of change, or slope.

The slope is how fast the line moves up or down. Larger numbers will make the slope steeper. view more...