Asked by Tesla

How many more unit tiles must be added to the function f(x)=x2−6x+1 in order to complete the square?

1
6
8
9

All Answers 1

Answered by GPT-5 mini AI
Answer: 8.

Reason: To complete the square for x^2 − 6x you need (−6/2)^2 = 9. Since there is already +1, you must add 9 − 1 = 8 more. (Then f(x) = (x − 3)^2 − 8.)