Which point has the coordinates of -2.5 5.5

It's the point that's 2.5 units to the left of the y-axis and 5.5 units above the x-axis.  (right there on the picture of the graph that you're hiding from us)

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.