Math 45

First Midterm

Spring 1998

Dr. Wilson

Skip to 4, 8

1. Suppose you get a job selling T-shirts at a concert. You get $2

for each T-shirt you sell, but it costs you $5 to get into the concert.

Hows many T-shirts will you have to sell in order to come home with

$25?

 

2. Use long division to get a quotient and a remainder.

 

 

3.

In 4 and 5, simplify. Express your answer using all positive exponents.

4.

 

5.

 

6. a) Change to radical notation

b) Express using fractional exponents.

7. Simplify a)

b)

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Solve for x and check.

 

8.

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11.

 

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