The general equation for a circle with center (a,b) and squared radius k is

Here we have

and the constant is fixed by substituting in the point we know (x,y)=(3,-5)

Answer:

Answer:
Option three
Step-by-step explanation:
The statment is correct but if you have to work out the value of x you need a total amount of the purchase without that or atleast some sort of value it is not possible to work out
Answer:
I think it would be b
Step-by-step explanation:
He doesn't want to spend more than 50 and he needs 8 for lunch so the 8 dollars and the book can't go over 50.
Its either a or b im just not sure if its plus 8 or minus 8. sorry