Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 8x + 4y - 5 = 0 

A. (h, k) = (4, -2); r = 5

B. (h, k) = (4, 2); r = 5

C. (h, k) = (-4, -2); r = 5

D. (h, k) = (-4, 2); r = 5


Answer: C

Mathematics

You might also like to view...

Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = 6 - (x + 2)2  

A. x = -6 B. x = -2 C. x = 2 D. x = 6

Mathematics

Use the slope and y-intercept to graph the function.g(x) = -3x - 3

A.

B.

C.

D.

Mathematics

Express the graph shown using interval notation. Also express it as an inequality involving x.

A. (-9, -5] -9 < x ? -5 B. (-9, -5) -9 < x < -5 C. [-9, -5] -9 ? x ? -5 D. [-9, -5) -9 ? x < -5

Mathematics

Solve.

A.
B.
C.
D. none of these

Mathematics