1.   State the number of solutions to the system of equations graphed below.
   
    A. 2 B. infinitely many
    C. 1 D. 0
    Hint

  2.   What is true about the system and
    A. The system has infinitely many solutions.
    B. The system is consistent and dependent.
    C. The system is consistent and independent.
    D. The system is inconsistent.
    Hint

  3.   Use the substitution method to solve m - n = 7 and 3m + 2n = 6.
    A. (-5, 2) B. (4, -3)
    C. (-3, -10) D.
    Hint

  4.   Choose the graph that shows the solution to the system of inequalities and
    A. B.
    C. D.
    Hint

  5.   Solve the system of inequalities by graphing.



    A. B.
    C. D.
    Hint

  6.   Find the value of 63.
    A. 729
    B. 18
    C. 36
    D. 216
    Hint

  7.   Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. Which inequality is not part of the system of inequalities that represents the problem?
    A.
    B.
    C.
    D.
    Hint

  8.   Determine which ordered triple is a solution of the system of equations.



    A. (0, 1, -14) B. (1, -2, 6)
    C. (0, 0, 11) D. (-1, 2, -16)
    Hint

  9.   Solve the system of equations.

–2x + 3y = 7
4x – 6y = 8.

    A. y = –22, x = –31 B. y = –22, x = –36.5
    C. no solution D. y = –22, x = 29.5
    Hint

  10.   Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5.
    A. no solution B. (-3, 1, 7)
    C. infinite solutions D.
    Hint



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