Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

georgejafacules

  • 3 years ago

Find the type and number of solutions for the equation. x^2 - 4x = -4 A)one distinct real solution B)two distinct real solutions C) two distinct nonreal complex solutions

  • This Question is Closed
  1. zepdrix
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Write it in that nice quadratic form first of all! c: \[x^2 -4x + 4 = 0\] then lets see.. hmmmm

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

    looks like it is a nice perfect square, doesn't it? c: do ya see it?? :D

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

    yeh

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

    but what does that mean?

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

    the equation simplifies really nicely to\[(x-2)^2 = 0\] so hmm solving for x.. we can square both sides of this equation.

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

    so would it be A?

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

    ya that sounds right c: x=2 is the only solution

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

    (x-2)(x-2)=0 x=2 :)

  9. 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