Problem 20 of 7
Use factored form y=3(x-1)(x-7) to identify the axis of symmetry.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
average zeros.
Hidden until you reveal it.
Quadratic must have visible real zeros or repeated zero.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the zeros from the factors.
2. Average the zeros.
3. Write the axis as x equals that average.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Giving only the average number without x= notation when a line is requested.