1.   Draw the graph of x + 3y = 12.
    A. B.
    C. D.
    Hint

  2.   Use the x-intercept and y-intercept to graph the equation .
    A. B.
    C. D.
    Hint

  3.   State the solution of the system of equations 2x + y = -4 and
6x + 3y = 3.
    A. (-4, 1) B.
    C. infinite solutions D. no solution
    Hint

  4.   Find the solution of the system of equations y = x + 6 and .
    A. (8, 14) B. (4, 10)
    C. (-16, -10) D. (-8, -2)
    Hint

  5.   Determine whether the relation is a function. Explain.
   
    A. Yes, because every relation is a function.
    B. No, because there are two elements in the domain that are paired with the same element in the range.
    C. Yes, because each element in the domain is paired with exactly one element in the range.
    D. No, because there is an element in the domain that is paired with two elements in the range.
    Hint

  6.   Which graph is not a function?
    A. B.
    C. D.
    Hint

  7.   Find four solutions for y = 3x 1 if the x values are 0, 1, 2, 3.
    A. (0, -1), (1, 2), (2, 5), (3, 8)
    B. (0, 0), (1, 3), (2, 6), (3, 9)
    C. (0, 1), (1, 4), (2, 7), (3, 10)
    D. (-1, 0), (2, 1), (5, 2), (8, 3)
    Hint

  8.   Graph 2x 8y = 16.
    A. B.
    C. D.
    Hint

  9.   Find the slope of a hill that rises 60 meters for every horizontal change of 95 meters.
    A. B.
    C. D.
    Hint

  10.   Find the slope of the line.
   
    A. B. -3
    C. D.
    Hint

  11.   Find the rate of change between two points on a graph that are located at (0.9, 2) and (9.3, 12).
    A. 1.19 B. -1.19
    C. 0.84 D. -0.84
    Hint

  12.   The direct variation equation y = 0.1x gives the price y for x minutes of a long distance calling plan. Use the equation to find the cost for a phone call that is 32.5 minutes long.
    A. $3.25 B. $3.20
    C. $3.28 D. $3.30
    Hint

  13.   State the y- intercept of the graph of 4x + y = -11.
    A. B. -11
    C. 11 D.
    Hint

  14.   Which of the following is the equation of the given graph?
   
    A. y = -5x + 2 B. y = -5x 2
    C. y = 5x 2 D. y = 5x + 2
    Hint

  15.   Write an equation in slope-intercept form of a line with slope and y- intercept 0.
    A. B.
    C. D.
    Hint

  16.   Use the table of values to write an equation in slope-intercept form.
   
    A. y = -3x 31 B.
    C. y = 3x + 11 D.
    Hint

  17.   Write an equation in slope-intercept form for the best-fit line of a scatter plot with points (12, 9) and (17, 2).
    A. B. y = 1.4x 7.8
    C. D. y = -1.4x + 25.8
    Hint

  18.   A best-fit line has the equation y = 13.7694x + 3.99, which models the cost y of ordering x CDs from a music company. Predict the cost of ordering 8 CDs.
    A. about $100.30 B. about $114.06
    C. about $110.16 D. about $114.15
    Hint

  19.   Match the graph shown with the correct inequality.
   
    A. B.
    C. D.
    Hint

  20.   Match the graph shown with the correct inequality.
   
    A. y < -4x 6 B.
    C. D.
    Hint



Glencoe
The McGraw-Hill Companies