Explore BrainMass

Explore BrainMass

    solving system of linear equations and linear inequalities

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Please see the attached file for complete description

    1. Solve the system by graphing.
    x + y = 4
    -x + y = 2
    2. Determine which two equations represent perpendicular lines.

    3. Solve the system by graphing.
    3x + y = 6
    3x - y = 0
    4. Graph the inequality y < -3

    5. Solve the following system of linear inequalities by graphing.
    x + 2y < = 3
    2x - 3y <= 6

    6. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?

    7. Determine which two equations represent parallel lines.
    (a) y = -6x + 4 (b) y = 6x + 4 (c) y = 1/6 x + 4 (d) y = -6x + 5

    8. Graph the solution set of x < -1.

    9. Solve the following system of linear inequalities by graphing.
    x - 2y >= 4
    x < = 4

    10. Solve. 8 - (4x - 3) = 19

    11. Graph x = 3.

    12. Find the slope and the y-intercept.
    y = -9x

    13. Find the slope of the graphed line.

    14. Graph 3x + 2y = 6.

    15. Solve the system by addition.
    4x - 7y = 17
    x - 5y = 1

    16. Find the slope of the line passing through the points (-1, 1) and (-2, 9).

    © BrainMass Inc. brainmass.com March 4, 2021, 7:49 pm ad1c9bdddf
    https://brainmass.com/math/linear-algebra/125080

    Attachments

    Solution Preview

    Please see the attached file for detailed solutions and graphs.

    2. When two line are ...

    Solution Summary

    The solution is comprised of detailed explanations using graphing as a tool to solve the system of linear equations and linear inequalities. Furthermore, the solution explains the line equations and how to determine the perpendicular and parallel lines from the line equations.

    $2.49

    ADVERTISEMENT