1.   What is the slope of in parallelogram ABCD?
   
    A. B.
    C. D.
    Hint

  2.   A line of best-fit should not be drawn for which of the following graphs.
    A. B.
    C. D.
    Hint

  3.   Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0).
    A. B. 2
    C. -2 D.
    Hint

  4.   Find the situation that is linear but does not have direct variation.
    A. At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank.
    B. At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week.
    C. At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts.
    D. At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
    Hint

  5.   Find the equation that is nonlinear.
    A. y = 4y2 B. y = 8 – x
    C. y = –3x – 1 D. y = 14 + 6x
    Hint

  6.   Which three points are collinear?
    A. (4, –3), (2, –2), (–4, 1)
    B. (3, 1), (4, 0), (–1, 2)
    C. (–5, –3), (–2, 3), (2, –4)
    D. (–1, 1), (2, 3), (5, 2)
    Hint



Glencoe
The McGraw-Hill Companies