1.   Is the relation whose graph is shown below a function?
   
    A. Yes; Each element of the range is unique. B. Yes; It passes the vertical line test.
    C. No; It does not pass the vertical line test. D. No; The ordered pairs on not on one line.
    Hint

  2.   Graph the equation
    A.
    B.
    C.
    D.
    Hint

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

  4.   An equation written in the form y = mx + b is in
    A. slope-intercept form B. both intercept form
    C. x-intercept form D. y-intercept form
    Hint

  5.   Which of the following is (are) true about functions?
    A. All of these 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. Functions are relations.
    Hint

  6.   Find the x- intercept for the graph of 3x + 5y = 15.
    A. 5 B. 3
    C. -5 D. -3
    Hint

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

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

  9.   Find the slope of the line that passes through (-10, 5) and (2, 5).
    A. -12 B. 0
    C. undefined D. -8
    Hint

  10.   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. 0.84
    C. -0.84 D. -1.19
    Hint

  11.   At a gas station, 15 gallons of gas has a price of $17.55 and 18 gallons of gas has a price of $21.06. Write a direct variation equation that relates the cost y of any number of gallons of gas x.
    A. y = 1.15x B. y = 1.2x
    C. y = 1.07x D. y = 1.17x
    Hint

  12.   State the slope and y- intercept of the graph of
    A. B.
    C. D.
    Hint

  13.   Write an equation for the line that passes through (-3, 23) and (3, -7).
    A. B. y = -5x + 8
    C. D. y = 5x – 23
    Hint

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

  15.   Write an equation in slope-intercept form for the best-fit line of a scatter plot which contains the points (4, 60) and (9, 135).
    A. y = 15x B. y = -15x
    C. D.
    Hint

  16.   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 + 15 D. y = 3x + 2
    Hint

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

  18.   Solve the system of equations given byy = 2x – 7 and y = 5.
    A. (-1, 5) B. (6, 5)
    C. (5, 3) D. (3, 5)
    Hint

  19.   Match the graph shown with the correct inequality.
   
    A. y < 3x + 2 B. y < -3x + 2
    C. D.
    Hint

  20.   Match the graph shown with the correct inequality.
   
    A. B. y > 3x + 6
    C. D.
    Hint



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