7. The roots are (3.0) and (9,0). The vertex is 66-9) and they interceptis (0.27). What is the equation that matches? *
A. y=(x+3)^2-9
B. y=34+92-92+2]
C. y=x^2-122=9
D. y=x^2-126+27

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32