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

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

  3.   What are the x- and y-intercepts of the graph below?
   
    A. (-2, 0); (0, -4) B. (-2, 0); (0, 4)
    C. (2, 0); (0, -4) D. (2, 0); (0, 4)
    Hint

  4.   Determine whether the relation {(7, 2), (-10, 3), (-5, -1), (7, 3)} 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. No, because there is an element in the domain that is paired with two elements in the range.
    D. Yes, because each element in the domain is paired with exactly one element in the range.
    Hint

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

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

  7.   Find the slope of the line.
   
    A. B.
    C. D.
    Hint

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

  9.   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. $3.20 B. $3.30
    C. $3.25 D. $3.28
    Hint

  10.   Suppose y varies directly with x and y = 24 when x = 8. Write an equation relating x and y.
    A. B.
    C. y = 3x D. y = -3x
    Hint

  11.   State the slope of the graph of 6x + 3y = 10.
    A. B.
    C. 2 D. -2
    Hint

  12.   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

  13.   Write an equation in slope-intercept form for the line graphed.
   
    A. B.
    C. D.
    Hint

  14.   Write an equation for the line that passes through (-20, -1.5) and (8, 2).
    A. y = -8x + 18 B.
    C. D. y = 8x 14
    Hint

  15.   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. y = -3x + 15 B. y = 3x + 2
    C. D.
    Hint

  16.   A best-fit line has an equation of y = 2.9x + 1.7. Find y when x is 33.
    A. y = 97.4 B. y = 94
    C. y = 94.1 D. y = 90.7
    Hint

  17.   Solve the system of equations given by 3y = 6x + 3 and y = 2x + 1.
    A. (0, 1) B. infinitely many solutions
    C. no solution D. (-2, -3)
    Hint

  18.   Solve the system of equations given by and x = 6.
    A. (6, 16) B.
    C. (6, -5) D. (6, 13)
    Hint

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

  20.   Juan has at most 20 hours per week to spend working at his landscaping job and his restaurant job. Write an inequality to represent how much time Juan can spend at each job.
    A. B. x + y > 20
    C. x + y < 20 D.
    Hint



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