1.   Evaluate c + 5 if c = 3.
    A. 8 B. 3
    C. 5 D. c + 3
    Hint

  2.   Evaluate 3x + 2y if x = 3 and y = 7.
    A. 27 B. 105
    C. 23 D. 5
    Hint

  3.   Evaluate x + 5y if x = 12 and y = 9.
    A. 57 B. 153
    C. 71 D. 47
    Hint

  4.   In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2.
    A. 40 B. 5
    C. 10 D. 20
    Hint

  5.   Evaluate x2 + 2xy + y2 if = 4 and y = 7.
    A. 86 B. 121
    C. 65 D. 78
    Hint



Glencoe
The McGraw-Hill Companies