The correct answer is A.
The standard equation for a circle with center at (h,k) and radius r is (x-h)^2 + (y-k)^2 = r^2. Substituting h=9, k=9, and r=2, we get (x-9)^2 + (y-9)^2 = 4.
Write the standard equation for the circle whose center is at (9,9) and whose radius is 2.
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Part 1
Choose the correct answer below.
A.left parenthesis x minus 9 right parenthesis squared plus left parenthesis y minus 9 right parenthesis squared equals 4
left parenthesis x minus 9 right parenthesis squared plus left parenthesis y minus 9 right parenthesis squared equals 4
B.left parenthesis x plus 9 right parenthesis squared plus left parenthesis y plus 9 right parenthesis squared equals 4
left parenthesis x plus 9 right parenthesis squared plus left parenthesis y plus 9 right parenthesis squared equals 4
C.left parenthesis x minus 9 right parenthesis squared minus left parenthesis y plus 9 right parenthesis squared equals 2
left parenthesis x minus 9 right parenthesis squared minus left parenthesis y plus 9 right parenthesis squared equals 2
D.left parenthesis x plus 9 right parenthesis squared plus left parenthesis y plus 9 right parenthesis squared equals 2
left parenthesis x plus 9 right parenthesis squared plus left parenthesis y plus 9 right parenthesis squared equals 2
1 answer