1.   Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain.
    A. Yes, because 52 + 62 = 82.
    B. No, because 52 + 62 82.
    C. No, because 8 + 6 < 5.
    D. Yes, because 5 + 6 > 8.
    Hint

  2.   Find the distance between points with coordinates (3, -2) and (-2, 10).
    A. 7 B. 13
    C. D.
    Hint

  3.   Find how many units left or right and how many units up or down you must move to get from the first endpoint to the second.(5, –1) to ( –7, –5)
    A. left 12, down 4 B. right 4, up 12
    C. right 12, up 4 D. left 4, down 12
    Hint

  4.   Find how many units left or right and how many units up or down you must move to get from the first endpoint to the second.(–2, 4) to ( 6, –6)
    A. right 10, down 8 B. left 10, up 8
    C. left 8, up 10 D. right 8, down 10
    Hint

  5.   Find the distance between (9, –2) and (1, 13).
    A. 17 units
    B. 14.87 units
    C. 12.69 units
    D. 4.80 units
    Hint



Glencoe
The McGraw-Hill Companies