§2.4 Writing Linear Equations
y y
m x x
(
)
Point-Slope Form:
1
1
Slope-Intercept Form: y mx b
y
y
2
1
m
Slope Formula:
x
x
2
1
Example 1:
Write the equation of the line shown:
Example 2:
Write an equation of the line that passes through (-3, 4) and has a slope of 2/3.
Example 3:
Write an equation of the line that passes through (1 , 5) and (4 , 2)
A. Eisenman