1.   If you use the substitution method to solve the system of equations
3x - 2y = 4 and x + y = 5, which of the following would be the best method?

Method I: Solve the second equation for x, and substitute 5 - y for x into the first equation.

Method II: Solve the second equation for y, and substitute 5 - x for y into the first equation.

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

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

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

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

  5.   Choose the best method to solve the system of equations x + y = 2
and y = 3x - 4.
    A. Substitution B. Graphing
    C. Eliminate x D. Eliminate y
    Hint