1.   Which ordered pairs could be used to graph the equation 2x + y = 5?
    A. (5, 0), (1, 2) B. (-2, 9), (4, -3)
    C. (2, 5), (-1, 5) D. (2, -1), (-1, 2)
    Hint

  2.   Draw the graph of y = -3x + 4.
    A.
    B.
    C.
    D.
    Hint

  3.   Which expression is used to find the slope of a line?
    A. m =
    B. m =
    C. m =
    D. m =
    Hint

  4.   What is the slope of the line through the points A(-3, 4) and B(2, -1)?
    A. -1 B. 1
    C. -3 D.
    Hint

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

  6.   Which ordered pair is not a solution of the inequality ?
    A. (-3, -9) B. (4, -10)
    C. (0, 8) D. (-6, -10)
    Hint

  7.   Which relation is not a function?
    A. {10, 0), (2, 4), (-2, 4)}
    B. {(2, 4), (3, 5), (2, 7)}
    C. {(1, 1), (2,2), (3, 3)}
    D. {(-2, 1), (2, 3), (6, 5)}
    Hint

  8.   Which of the following is (are) true about functions?
    A. Functions are relations. B. Functions pass the vertical line test.
    C. In a function, each member of the domain is paired with one and only one member of the range. D. All of these
    Hint

  9.   Find the y- intercept for the graph of 4x – 2y = 16.
    A. 8 B. -8
    C. -4 D. 4
    Hint

  10.   Find the x- intercept of 4x – 6y = 24.
    A. -4 B. 4
    C. 6 D. -6
    Hint

  11.   Suppose y varies directly with x and y = -10 when x = 5. Write an equation relating x and y.
    A. B. y = -2x
    C. D. y = 2x
    Hint

  12.   The direct variation equationy = .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 slope and y- intercept of the graph of 10x - 13y = 36.
    A. B.
    C. 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.   Use the table of values to write an equation in slope-intercept form.
   
    A. B. y = 3x + 11
    C. D. y = -3x – 31
    Hint

  16.   Use the table of values to write an equation in slope-intercept form.
   
    A. B.
    C. D.
    Hint

  17.   A scatter plot contains the points (2, 8) and (19, 59). Write an equation in slope-intercept form for the best-fit line of the scatter plot.
    A. B.
    C. y = 3x + 2 D. y = -3x + 15
    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 $114.06 B. about $100.30
    C. about $110.16 D. about $114.15
    Hint

  19.   Solve the system of equations given by y = -2x and y = x + 3.
    A. (-1, 2) B. (3, 6)
    C. (-3, -6) D. (1, -2)
    Hint

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



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