Review Test

Instructions
For each of the following questions, select the correct answer and record it on a scrap piece of paper. After you have finished the entire examination, check your answers against the answer key (click on the button at the bottom of this page to get to the answer key).

  1. In the graph below, what are the coordinates of the intersection of lines AC and DF?
      1. (0, 3)
      2. (6, 3)
      3. (6, 0)
      4. (3, 6)
      5. (0, 6)
  2. Which of these graphs shows a line tangent to a curve?

    1. B only
    2. A and B only
    3. B and C only
    1. A, B, and C
    2. none of these

Use the following for questions 3 & 4.
In the graph at the right, the line D shifts from its initial position of D0 to D1. The initial point of intersection between lines D and S is at point A. After line D shifts from D0 to D1, the new point of intersection is point B.

  1. As you shift from the intersection at point A to the intersection at point B, how does the price change?
    1. increases
    1. decreases
    1. remains the same

  2. As you shift from the intersection at point A to the intersection at point B, how does the quantity change?
    1. increases
    1. decreases
    1. remains the same

Use the following graph for questions 5-6.
  1. Which of the points is the point of tangency on the curve?

    1. A
    2. B
    3. C
  1. D
  2. E
  1. What is the slope of the tangent line to the curve?
    1. 5/4 or 1.25
    2. -(4/3) or -1.33
    3. -(5/4) or -1.25
  1. 50
  2. none of these

Use the following graph for questions 7-9.

  1. Which of these points is a minimum point of the curve?

    1. A
    2. B
    3. C
  1. D
  2. none of these
  1. At which point does the curve have a positive slope?
    1. A
    2. B
    3. C
  1. D
  2. none of these

  1. What is the slope at point B?
    1. 1
    2. positive
    3. infinite
    1. zero
    2. none of these
  2. Which graph does not have a minimum point?

    [answer key] [table of contents]