1.   Determine the value of r so that the line through (r, 4) and (-7, 7) has a slope of .
   
    A. -11 B. 9
    C. -3 D. 3
    Hint

  2.   Write the standard form of an equation of the line that passes through
(3, 5) and has a slope of .
    A. B. undefined
    C. D. 3x + 4y = 29
    Hint

  3.   What is the slope of in parallelogram ABCD?
   
    A. B.
    C. D.
    Hint

  4.   Write the standard form of the equation of the line that passes through
(-2, -3) and (2, -5).
    A. 2x - y = -1 B. x + 2y = -8
    C. 2x + y = -7 D. x - 2y = -8
    Hint

  5.   Which graph is the graph of 3(y - 3) = -2x?
    A.
    B.
    C.
    D.
    Hint

  6.   Which pair of lines graphed below are parallel?
   
    A. k and m B. l and m
    C. k and n D. l and n
    Hint

  7.   Which scatter plot shows that x and y have no correlation?
    A. B.
    C. D.
    Hint

  8.   Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y.
    A. B.
    C. D.
    Hint

  9.   Use the direct variation equation to find x when y = -34.
    A. x = 153 B. x = -
    C. x = -153 D. x =
    Hint

  10.   Graph 7x + 2y = -12.
    A. B.
    C. D.
    Hint

  11.   Which equation describes the line that contains the points (-5, 2) and (3, 7)?
    A. B.
    C. D.
    Hint

  12.   A rental car company charges $75 for a 3-day rental and $155 for a 7-day rental. Write an equation to find the amount that the rental car company will charge for any number of days.
    A. y = 20x + 15 B. y = 80x
    C. y = 80x – 165 D. y = 20x
    Hint

  13.   Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of
    A. B.
    C. D.
    Hint

  14.   Which relationship would most likely have a negative correlation?
    A. The number of miles driven, and the number of gallons of gas in the car.
    B. A person's age, and the address of the person.
    C. The number of pizzas ordered, and the total price of the bill.
    D. A person's height and the person's shoe size.
    Hint



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