1.   Equations like that contain radicals with variables in the radicand are called _____.
    A. irrational equations B. rational equations
    C. unsolvable equations D. radical equations
    Hint

  2.   Solve .
    A. 1 B. 9
    C. 81 D. 41
    Hint

  3.   Solve .
    A. 7 and 10 B. 10
    C. -7 D. -7 and 10
    Hint

  4.   Solve .
    A. y = 2 B. y = 10
    C. y = 4 D. y = 16
    Hint

  5.   Solve .
    A. d = 7 and d = 4 B. no solution
    C. d = 7 D. d = 4
    Hint