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A) (x + 8)2 + (y + 7)2 = 6 B) (x – 8)2 + (y – 7)2 = 6 C) (x + 8)2 + (y + 7)2 = 36 D) (x – 8)2 + (y – 7)2 = 36
if centre is \((a,b)\) and radius is \(r\) the equation of the circle is \((x-a)^2+(y-b)^2=r^2\)
but there is no equation that adds up to that!!!
yes there is
No it is either both subtraction or both addition
when you subtract a negative it becomes a positive
now try again
So it would be B?
It would be A? Because the equation has to add up to 6
read the response by @mathmath333
So it would be A?
look at the drawing
the equation does not have to add up to 6
Yeah so it would be A
So it would be D then?
If you insist on it being A then we cannot help you.
I said it would be D @triciaal
I said look at the formula and look at the drawing and I explained why when you get the answer you have to match the correct option
so it's not A, it's not B and it's not D please review so you understand why
Because the negative's turn into positive's and they are squared so they would add up to 36 squared
Yeah so it is C