Name ____________________________

Unit 4 Pre-Assessment

Tell whether or not the ratios form a proportion.

1. a. $\frac{2}{9}$ and $\frac{1.5}{4.5}$

b. $\frac{4}{9}$ and $\frac{8}{10}$

Answer the following question.

2. A restaurant serves 100 people per day and takes in $908. If the restaurant were to serve 250 people per day, what might the cash collected be?

3. Make a table for the function y = 3x when x = 0, 2,4, and 6. Then make a graph.

Identify the following relationship as directly proportional or inversely proportional. Identify the independent variable and the dependent variable.

4. The length of a pencil and the number of times it is sharpened.

Determine if each of the rates are equivalent to each other.

5. three feet in nine seconds and six feet in 18 seconds

Find the unit rate

6. 10 feet in two minutes

Solve the following problem.

7. A copy machine can produce 310 copies in five minutes. How many copies can the machine produce per minute?

Find the slope of the line shown.

9..

10. On the coordinate grid below, draw a line that passes through (–1, 4) and has a slope of 3.