1.   If you use the elimination method to solve the system of equations
3x - 4y = 9 and 2x + 3y = 7, which of the following would be the best method?

Method I: Multiply both sides of the first equation by 2, and multiply both sides of the second equation by 3. Then add the two equations.

Method II: Multiply both sides of the first equation by 3, and multiply both sides of the second equation by 4. Then add the two equations.

    A. Method I B. Method II
    C. Neither Method I nor Method II is correct. D. Both Method I and Method II are correct.
    Hint

  2.   The cost of producing an item is $5 per item plus an initial cost of $2000. The selling price is $10 per item. Find the break-even point.
    A. 450 items B. 4000 items
    C. 4500 items D. 400 items
    Hint

  3.   Which of the following describes the system of equations 2x - y + 4 = 0 and 4x - 2y + 7 = 0?
    A. consistent and independent B. inconsistent
    C. consistent and dependent D. none of these
    Hint

  4.   Solve the system of equations y = 0.5x and 4y = x - 2 by graphing.
    A. B.
    C. D.
    Hint

  5.   Solve the system of equations x = 4 and 3x - 4y = 12 by graphing.
    A. B.
    C. D.
    Hint