1.   Find a solution for the equation y = 4x - 3.
    A. (-4, -19) B. (4, -3)
    C. (0, 0) D. (5, 2)
    Hint

  2.   Which equation is graphed below?
   
    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. B. 1
    C. -1 D. -3
    Hint

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

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

  7.   The system of equations graphed below has
   
    A. infinitely many solutions. B. none of these.
    C. no solution. D. one solution.
    Hint

  8.   One solution for the inequality is _______.
    A. (-4, 6). B. (1, -2)
    C. (0, 0) D. (-2, 8).
    Hint

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

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

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

  12.   Suppose y varies directly with x and y = 14 when x = 3.5. Write an equation relating x and y.
    A. B.
    C. y = 4x D. y = -4x
    Hint

  13.   Suppose y varies directly with x and when Write an equation relating x and y.
    A. B.
    C. D.
    Hint

  14.   State the slope and y- intercept of the graph of 2x + 5y = 10.
    A. B.
    C. D.
    Hint

  15.   Write an equation in slope-intercept form of a line with slope 5 and y- intercept 7.
    A. x = 5y + 7 B. y = 5x + 7
    C. x = 5y 7 D. y = 5x 7
    Hint

  16.   Write an equation in slope-intercept form of a line with slope 0 and y- intercept 6.
    A. x = 6y B. y = 6
    C. y = 6x D. x = 6
    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. y = -1.4x + 25.8 D.
    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 $110.16 B. about $114.06
    C. about $100.30 D. about $114.15
    Hint

  19.   Solve the system of equations given by y = -5x + 1 and y = -5x 4.
    A. B. infinitely many solutions
    C. no solution D.
    Hint

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



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