Question
upstudy study bank question image url

A quadratic function has its vertex at the point \( (-5,-4) \). The function passes through the point \( (8,-3) \). When written in vertex form, the function is \( f(x)=a(x-h)^{2}+k \), where: \( a= \) \( h= \) \( k= \)

Ask by Pearson Elliott. in the United States
Mar 13,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

\( a = \frac{1}{169} \), \( h = -5 \), \( k = -4 \).

Solution

Sign in to Unlock Answers for Free!

A Learning Platform Trusted by Millions of Real Students and Teachers.

star-icon Unlock

Answered by UpStudy AI and reviewed by a Professional Tutor

Extra Insights

To find the vertex form of the quadratic function \( f(x) = a(x - h)^2 + k \), we start with the vertex \( (-5, -4) \), which gives \( h = -5 \) and \( k = -4 \). Thus, we can express the function as: \[ f(x) = a(x + 5)^2 - 4. \] Now, we need to find the value of \( a \) using the point \( (8, -3) \). Plugging in \( x = 8 \) and \( f(x) = -3 \): \[ -3 = a(8 + 5)^2 - 4. \] This simplifies to: \[ -3 = a(13)^2 - 4, \] \[ -3 = 169a - 4. \] Adding 4 to both sides gives: \[ 1 = 169a. \] Solving for \( a \) results in: \[ a = \frac{1}{169}. \] Combining everything, we find: - \( a = \frac{1}{169} \) - \( h = -5 \) - \( k = -4 \) So, the function in vertex form is \( f(x) = \frac{1}{169}(x + 5)^2 - 4 \).

Try Premium now!
Try Premium and ask Thoth AI unlimited math questions now!
Maybe later Go Premium
Study can be a real struggle
Why not UpStudy it?
Select your plan below
Premium

You can enjoy

Start now
  • Step-by-step explanations
  • 24/7 expert live tutors
  • Unlimited number of questions
  • No interruptions
  • Full access to Answer and Solution
  • Full Access to PDF Chat, UpStudy Chat, Browsing Chat
Basic

Totally free but limited

  • Limited Solution
Welcome to UpStudy!
Please sign in to continue the Thoth AI Chat journey
Continue with Email
Or continue with
By clicking “Sign in”, you agree to our Terms of Use & Privacy Policy