1.   Solve the system of equations 2x + 3y = -7 and x - y = 4 by graphing.
    A. B.
    C. D.
    Hint

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

  3.   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. 4500 items B. 400 items
    C. 4000 items D. 450 items
    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