Find the center (h, k) and the radius r of the circle.x2 + y2 + 8x - 18y + 97 = 81
A. (h, k) = (-9, 4), r = 81
B. (h, k) = (9, -4), r = 9
C. (h, k) = (-4, 9), r = 9
D. (h, k) = (4, -9), r = 81
Answer: C
Mathematics
You might also like to view...
Simplify.
A. 
B. 1
C. 
D. 
Mathematics
Evaluate.C7, 0
A. 6 B. 1 C. 7 D. 720
Mathematics
Find the y-intercept of the linear equation x+ y- 4= 0.
What will be an ideal response?
Mathematics
Find the payment necessary to amortize the loan. Round to the nearest cent.$99,000, 8% compounded annually, 10 annual payments
A. $14,753.92 B. $13,867.56 C. $15,847.89 D. $5412.82
Mathematics