Question

HELP WILL GIVE MEDAL

Rewrite the equation in vertex form. Name the vertex and y-intercept.
y = x2 – 10x + 15
y = (x – 10)2 –10
vertex: (–10, –10)
y-intercept: (0, –10)
y = (x – 5)2 – 10
vertex: (5, –10)
y-intercept: (0, 15)
y = (x – 5)2 + 40
vertex: (5, –10)
y-intercept: (0, 15)
y = (x – 10)2 + 20
vertex: (–10, –10)
y-intercept: (0, –10)