1.   The function f(n) = 2.65n + 28.9 estimates the height in inches for a boy who is n years old. Choose values for n and graph the function.
    A.
    B.
    C.
    D.
    Hint

  2.   The graph of a linear function is _______.
    A. a straight line B. a curved line
    C. a horizontal line only D. None of these is correct
    Hint

  3.   Which equation passes through the points (-1, -1), (0, 1), and (1, 3)?
    A. y = x+1 B. y = 2x+1
    C. y = -2x+1 D. y =+1
    Hint

  4.   Which ordered pair is on the graph of y = -x – 5?
    A. (-3, -3.5) B. (0, -5.5)
    C. (-2, -7) D. (1, -4.5)
    Hint

  5.   Which graph represents y = 2x + 3?
    A.
    B.
    C.
    D.
    Hint



Glencoe
The McGraw-Hill Companies