Question

Which is the vertex of x ^2 10x = - 17?

Answer 1

the vertex is at (-5, -8)
Writing this as a function: y = x2 + 10x + 17Now: y - 17 = x2 + 10xCompleting the square: y - 17 + 25 = x2 + 10x + 25 y + 8 = (x + 5)2