1. Thursday, January 23, 2014
Today:
Review:
Khan Academy Help
Complete Final Exam
Tomorrow: Graphing Inequalities

2. Review:
Class Notes Section, please
1. Write the equation of a line; a) parallel to and
b) perpendicular to the equation 3x - y = 18, and
passing
through the point (3,2).
2. Determine whether the following two lines are parallel,
perpendicular, or neither: X – 3y = 2, – 2x + 6y = 12

3. Review:
From The Car Problem
0
20
x
x
x
50
x
Shazam’s Pricing
Nifty’s Pricing
Equation:
Equation:
Now, let’s look at the graph on the
back.

4. The Car Problem
How do you determine
which points belong?
Do both graphs have x and
y intercepts?
(It’s not necessary for a line to have
both, or even one intercept)
And Finally, this..
Without saying the answer, what is your strategy for solving?
What data do you use? What form of the equation do you
use?
Questions, from any other
part?
Assignment due today for full credit.

5. Topics & Help (1)
1. Determine the independent & dependent variables.
2. Determine the constant & the variable(s).
3. Plot the points you can now; figure the slope
4. Answer the Question.

6. 1. Determine the independent & dependent variables.
2. Determine the constant & the variable(s).
3. Plot the points you can now; figure the slope
4. Answer the Question.