Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

orb10925

  • 3 years ago

Solve the quadratic equation y2 - 7y - 18 = 0 by factoring.

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

    then (x - 2) = 0 and (x + 9) = 0 x = 2 x = -9

  2. javawarrior
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    what 2 factors add to -7 and multiply to - 18? -9 and 2 ? yes ? (x + 2)(x - 9)

  3. irfans
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[y ^{2} - 7y -18 = 0\]\[(y+2)(y-9)=0\]\[y=2 , y=-9\]

  4. 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