1.   Determine the slope of the line that passes through (2, 2) and (5, 8).
    A. 2 B. -2
    C. D.
    Hint

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

  3.   Which pair of lines graphed below are parallel?
   
    A. l and m B. l and n
    C. k and n D. k and m
    Hint

  4.   Which characteristic describes a graph that is linear and has direct variation.
    A. Variables x and y are not proportional.
    B. The graph does not pass through (0, 0).
    C. The equation has the form y = mx.
    D. The equation has the form y = mx + b.
    Hint

  5.   Find the equation that has direct variation.
    A. y = –3x – 1 B. y = 5x + 1.3
    C. y = 4x D. y = 0.8x + 9
    Hint

  6.   Find the equation that contains a decreasing linear relationship.
    A. y = 12+ 2x B. y = 10 + x
    C. y = 5 – 6x D. y = 4x – 3
    Hint

  7.   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 withdrew $30 to buy a new pair of shorts.
    C. At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week.
    D. At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
    Hint

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

  9.   Which table shows a quadratic relationship?
    A.
    B.
    C.
    D.
    Hint

  10.   How many diagonals are connected to each vertex for a 25-sided polygon?
    A. 22 B. 25
    C. 21 D. 20
    Hint

  11.   Which equation is in the same family as y = x2?
    A. y = 2x – 3 B. y = x3 – 3
    C. y = 2x2 – 3 D. y = x2 – 3
    Hint

  12.   Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point?
    A. 3.78 m B. 1 m
    C. 18.8 m D. 2.13 m
    Hint

  13.   What is the new equation if the graph y = 2x3 – 6x2 is moved down 1 unit?
    A. y = 2x3 – 6x2 + 1
    B. y = x3 – 6x2
    C. y = 2x3 – 5x2
    D. y = 2x3 – 6x2 – 1
    Hint

  14.   Find the equation of the following graph.
   
    A. y = x2 B. y =
    C. y = x3 D. y =
    Hint

  15.   What is the reciprocal of ?
    A. B.
    C. D.
    Hint

  16.   How does a affect graphs of equations in the form of ?
    A. positive values of a move the graph to the left, negative values move it to the right
    B. a affects the length of the graph
    C. negative values of a move the graph to the left, positive values move it to the right
    D. a affects the width of the graph
    Hint

  17.   How does b affect graphs of equations in the form of ?
    A. b affects the width of the graph
    B. b affects the length of the graph
    C. negative values of b move the graph to the left, positive values move it to the right
    D. positive values of b move the graph to the left, negative values move it to the right
    Hint

  18.   What are the second differences in the y-values?
   
    A. –1 B. 1
    C. 2 D. 0
    Hint

  19.   What type of relationship does the equation have if its second differences are constant?
    A. quadratic B. constant
    C. linear D. cubic
    Hint

  20.   Which differences are constant in a cubic equation?
    A. first B. fourth
    C. third D. second
    Hint



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