Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

willow

  • 3 years ago

need step by step help, The graph of y = ax 2 + bx + c passes through the points (-2, 0), (0, -2), and (2, 0). Determine the solution set of 0 = ax 2 + bx + c.

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

    0=4a+2b+c ..... (1) 0=4a-2b+c ....... (2) we can find that b=0 in (1) 0=4a+0+c -2=c ..... (3) (3) >> (2) a=1/2 so the solution set is a =1/2; b=0; c=(-2) ^^

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

    thanks(: can you halp me with this one too? \[-3/4x ^{2} +2\]

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

    if the equation is written in general form, what is c?

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

    c=2

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

    okay, thank you so much:D

  6. 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...

23

  • 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.