1.   Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
    A. 6 + 3x B. 6 + 3x2
    C. 6(3x) D. 6(3x)2
    Hint

  2.   Solve the equation x – 82 = 143
    A. 225 B.
    C. 61 D. -61
    Hint

  3.   Solve the equation
    A. 9 B.
    C. -1 D. 20
    Hint

  4.   Solve
    A. B.
    C. D.
    Hint

  5.   Solve
    A. –21 B. 7
    C. –25 D. –7
    Hint



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