Problem 80 of 7
Rewrite x^2+10x+3 to reveal its vertex.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
complete square when structure supports it.
Hidden until you reveal it.
Quadratic must be convertible to vertex form by completing the square.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Complete the square on the quadratic expression.
2. Write the expression in a(x-h)^2+k form.
3. Read the vertex as (h,k).
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Sign reversal in the vertex x-coordinate.