MATH 0100 Pre Algebra Test
Math 0100 Prealgebra Test 4 Directions: Work each problem on a piece of paper and label each item. Show your thinking on the problems. Solutions without thinking or process shown will receive minimal credit.

Complete this test independently – we want to know how you approach these problems. If you have questions, reach out to your instructor.

The test cannot be revised for credit after feedback is provided. Feedback will come after the due date for the module, unless you request it early.

Problem set:

1. Graph each inequality on a number line. a. 3x ? ?

b. 1x < ? 2. Solve the following inequalities. a. 3 6x? ? b. 4 5 2 9x x+ > ?

3. Solve each equation. Show all steps in your solution process.

a. 1 22 2 7

x ? =

b. 11 5 3x x= ?

c. 7 6 71x? ? =

d. 1 3 27 9 y y = +

e. 3( 1) 12 0x ? ? =

4. The equation d = 3.5t + 50 gives the distance, d, in meters that a cyclist is from his home after t seconds. Which of the following ordered pairs present a point on the graph of this equation? Explain your answer.

(10, 85) (0, 0) (3, 60.5) What information do the coordinates tell you about the cyclist?

5. Complete the given table and then graph the equation 2 6x y? = .

6. The graph below shows the observed position of a snail relative to a plant in inches per minute. The snail was sliding along a straight-line path. The observation began at minute 0.

a. During which minutes was the snail moving away from the plant?

b. How many inches was the snail from the plant when the observation began?

x y 1 2?