Which inequality shows the region represented by the inequality in vertex form?
A
y is greater than or equal to negative open paren x plus 50 close paren squared plus 625B
y is greater than or equal to open paren x plus 50 close paren squared plus 625C
y is greater than or equal to negative open paren x minus 50 close paren squared plus 625D
y is greater than or equal to open paren x minus 50 close paren squared plus 625