Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 + 8x - 4y + 20 = 64
A. (h, k) = (-2, 4); r = 64
B. (h, k) = (-4, 2); r = 8
C. (h, k) = (2, -4); r = 8
D. (h, k) = (4, -2); r = 64
Answer: B
You might also like to view...
Solve the problem.A surveyor measured the length of a piece of land at 100-ft intervals (x), as shown in the table. Use Simpson's Rule to estimate the area of the piece of land in square feet.
A. 26,500 ft2 B. 27,000 ft2 C. 32,000 ft2 D. 26,000 ft2
Factor completely. If the polynomial is prime, then state this as your answer.x2 + 79x + 80
A. (x + 80)(x + 1) B. (x + 10)(x + 8) C. (x + 80)(x - 1) D. prime
Provide an appropriate response.Find the present value of $5000 due in 3 years if the interest rate is % compounded monthly.
Fill in the blank(s) with the appropriate word(s).
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = 12 - 13x - 5x2 + 10x3 - 17x4
A. Degree: 12; leading coefficient: -17 B. Degree: 4; leading coefficient: 12 C. Degree: 4; leading coefficient: -17 D. Not a polynomial function.