Math 45

Sample 3rd Midterm

Dr. Wilson

Skip to 5, 6

1. Graph y = 2x - 3.

2. What is the slope of the line joining (2, 3) and (4, 1)?

3. What is the equation of the line in #2?

4. Suppose that you after 3 months you have $350 in your account and after 7 months you have $650.

5. Draw the graph of

y = f(x) = x2 + 2x - 8

x2 + 2x - 8> 0

6. Draw the graph of

In 7 and 8, solve for  x   and check

7.

8.

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