Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 12x - 8y = -3

A. (h, k) = (-4, -6); r = 49
B. (h, k) = (-6, -4); r = 49
C. (h, k) = (6, 4); r = 7
D. (h, k) = (4, 6); r = 7


Answer: C

Mathematics

You might also like to view...

Using Green's Theorem, calculate the area of the indicated region.The circle r(t) = (3 cos t)i + (3 sin t)j, 0 ? t ? 2 ?

A. 6? B. 2? C. 9? D. 3?

Mathematics

Given the grades of a student for one semester, find the grade point average. Assume that the grade point values are 4.0 for an A, 3.0 for a B, and so on. Round to the nearest tenth.

A. 1.5 B. 10.0 C. 3.8 D. 2.5

Mathematics

List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = 7x3 - x2 + 2

A. ± , ± , ± 1, ± 2, ± 7
B. ± , ± , ± 1, ± 2
C. ± , ± , ± 1, ± 2, ± 7
D. ± , ± , ± 1, ± 7

Mathematics

Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this.y - 3x = 113y - x = 10

A. Infinite number of solutions
B.
C. No solution
D.

Mathematics