Questions over Section 3.4
Section 3.5 Equations of Lines
Standard Form of a Line:
Slope­Intercept Form of a Line:
How to graph a line using the Slope­Intercept Form of a line:
Example 1:
Example 2:
Example 3:
Example 4:
Example 5: Build the line equation
Example 6: Build the line equation
Example 7: Build the line equation
Example 8: Build the line equation
There is another handy line equation:
If we know two points on the line: (1) Find the slope of the line
(2) Use the slope and a point to find the equation
Example: Find the equation of the line through (7, ‐4) and (2, 6)
Slope­intercept form
Point­Slope form