1.   Determine the slope of the line graphed below.
   
    A. B.
    C. D. 0
    Hint

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

  3.   Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6?
    A. y = 2x B.
    C. y = -2x + 1 D. y = 4x + 3
    Hint

  4.   Use the scatter plot to predict the mileage of an engine with 250 horsepower.
   
    A. 25 B. 12
    C. 10 D. 20
    Hint

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

  6.   Determine the slope of the line containing the points P(-7, -8) and
Q(3, 0).
    A. -2 B.
    C. 2 D.
    Hint

  7.   The greatest power in a quadratic function is ______.
    A. 1 B. 2
    C. 3 D. 4
    Hint

  8.   What is the equation of the graph shown?
   
    A. f(x) = -2x2 + 2x + 1
    B. f(x) = -2x2 + 2x - 1
    C. f(x) = 2x2 + 2x + 1
    D. f(x) = 2x2 - 2x + 1
    Hint

  9.   Which characteristic describes a graph that is linear and has direct variation.
    A. The equation has the form y = mx.
    B. The equation has the form y = mx + b.
    C. Variables x and y are not proportional.
    D. The graph does not pass through (0, 0).
    Hint

  10.   Find the equation that has direct variation.
    A. y = 4x B. y = 5x + 1.3
    C. y = 0.8x + 9 D. y = –3x – 1
    Hint

  11.   Find the situation that involves a decreasing linear relationship and has direct variation.
    A. An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport.
    B. The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours.
    C. A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second.
    D. A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second.
    Hint

  12.   Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives on the vertical axis.
    A. B.
    C. D.
    Hint

  13.   What is the equation of a line that has a slope of 3 and passes through (–4, –3)?
    A. y = 3x + 9 B. y = 3x – 3
    C. y = 3x – 9 D. y = 3x + 3
    Hint

  14.   Which three points are collinear?
    A. (3, 1), (4, 0), (–1, 2)
    B. (–1, 1), (2, 3), (5, 2)
    C. (4, –3), (2, –2), (–4, 1)
    D. (–5, –3), (–2, 3), (2, –4)
    Hint

  15.   Which three points are collinear?
    A. (1, 2), (–3, –2), (–2, –4)
    B. (–4, 4), (0, –4), (–1, –2)
    C. (–5, 2), (1, 1), (4, 4)
    D. (3, –1), (2, 5), (2, –3)
    Hint

  16.   Write the equation in slope-intercept form.
–6x = –10 – 2y
    A. y = 3x – 5
    B. y + 8 = 3(x + 1)
    C. –6x + 2y + 10 = 0
    D. y = 3x + 8
    Hint

  17.   Find the graph of y = x2 + 1.
    A. B.
    C. D.
    Hint

  18.   What is the new equation if the graph y = 2x3 – 6x2 is moved down 1 unit?
    A. y = x3 – 6x2
    B. y = 2x3 – 6x2 – 1
    C. y = 2x3 – 5x2
    D. y = 2x3 – 6x2 + 1
    Hint

  19.   Solve for y in terms of x.xy = 100
    A. y = 100x B. x =
    C. y = D. y =
    Hint

  20.   How does b affect graphs of equations in the form of ?
    A. b affects the width of the graph
    B. positive values of b move the graph to the left, negative values move it to the right
    C. b affects the length of the graph
    D. negative values of b move the graph to the left, positive values move it to the right
    Hint



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