A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing


  • 3 years ago

what multiple of L of equation 1 should be subtracted from equation 2? ax+by=f cx+dy=g. the first pivot is a(assumed nonzero). Elimination produces what formula for the second pivot?What is y? The second pivot is missing when ad = bc.

  • This Question is Closed
  1. shaan_iitk
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Multiple would be c/a .. by subtracting 2 by eqn1 *c/a you eliminate x and solve for y. Yes the second pivot would disappear if ad = bc. Why?? you can solve mathematically but you can also think geometrically. ad = bc means both lines are parallel and hence no solution is possible.

  2. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...


  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.