Whats the vertex form of y=x^2-20x+15

Answer for Question Whats the vertex form of y=x^2-20x+15. is given below:

Q.) Whats the vertex form of y=x^2-20x+15

Correct Answer is

This looks like a parabola so: y=x^2 – 20x + 15  –>  x^2 – 20x +15=y (x^2 -20x)=y – 15  –>  (x – 10)^2=y – 15 +100  ( used complete the square) (x – 10)^2=y + 85

Conclusion:

This correct answer to this statement is This looks like a parabola so: y=x^2 – 20x + 15  –>  x^2 – 20x +15=y (x^2 -20x)=y – 15  –>  (x – 10)^2=y – 15 +100  ( used complete the square) (x – 10)^2=y + 85.

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