A community for students.
Here's the question you clicked on:
 0 viewing
KJ4UTS
 one year ago
Which of the following is the equation of the parabola having vertex (2,4) and passing through the point (1,1)?
KJ4UTS
 one year ago
Which of the following is the equation of the parabola having vertex (2,4) and passing through the point (1,1)?

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Standard form:\[ y = a(x  h)^2 + k\] Where \((h, k)\) is the vertex.

KJ4UTS
 one year ago
Best ResponseYou've already chosen the best response.0So would that make it y=(x+2)^2+4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You solve for \(a\) by plugging in \((x, y)\), in your case, x is 1, and y is 1.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So plugging in what we know: \[1 = a(1  (2))^2 + 4\] Solve for \(a\).

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Nope. Hint: \(a\) is a fraction.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You now know your answer. Just input, the vertex, and \(a\) into the standard form.

KJ4UTS
 one year ago
Best ResponseYou've already chosen the best response.0Oh ok so the answer would be y=1/3(x+2)^2+4 Thank you for your help :)
Ask your own question
Sign UpFind more explanations on OpenStudy
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
 Engagement 19 Mad Hatter
 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.