1. Slope-Intercept Form of a Line
y = mx + b
This is the slope-intercept form of a linear equation where
m = the slope of the line
b = the y-intercept (0, b)
Example
y = 2x + 3

2. Slope-Intercept Form of a Line
y = mx + b
This is the slope-intercept form of a linear equation where
m = the slope of the line
b = the y-intercept (0, b)
Example
y = 3x – 4
The slope is 3.
The y-intercept is –4
i.e. (0, -4).

3. Slope-Intercept Form of a Line
y = mx + b
This is the slope-intercept form of a linear equation where
m = the slope of the line
b = the y-intercept (0, b)
Example
The slope is
The y-intercept is

4. Slope-Intercept Form of a Line

5. Slope-Intercept Form of a Line
Write the equation 3x + 4y = 8 in slope-intercept form.
Identify the slope and the y-intercept.

6. Slope-Intercept Form of a Line
Write the equation 6x + y = 1 in slope-intercept form.
Identify the slope and the y-intercept.

7. Slope-Intercept Form of a Line
Write the equation in slope-intercept form.
Identify the slope and the y-intercept.

8. Slope-Intercept Form of a Line
Write the equation –x – y – 6 = 1 in slope-intercept form.
Identify the slope and the y-intercept.

9. Slope-Intercept Form of a Line
Write the equation 3(x + y) = 9 in slope-intercept form.
Identify the slope and the y-intercept.

10. Slope-Intercept Form of a Line
Example:
Find the equation of the line with slope and
y-intercept (0, 5).
slope:
y-intercept: