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

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

  3.   Solve
    A. 12 B. –12
    C. –25 D. –1
    Hint

  4.   Solve
    A. B. 21
    C. D. 28
    Hint

  5.   Solve 3x = –42.
    A. 14 B. –45
    C. –14 D. –39
    Hint



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