Find the center (h, k) and radius r of the circle with the given equation. (x + 9)2 + y2 = 121

A. (h, k) = (-9, 0); r = 121
B. (h, k) = (-9, 0); r = 11
C. (h, k) = (0, -9); r = 121
D. (h, k) = (0, -9); r = 11


Answer: B

Mathematics

You might also like to view...

Classify the polygon as accurately as possible.

A. rectangle B. trapezoid C. rhombus D. parallelogram

Mathematics

Graph y = f (x). Be sure to include any vertical asymptote as a dashed line.f(x) =   

A.

B.

C.

D.

Mathematics

Draw the graph. y = x(x+9)(x-4)

Mathematics

The pair of angles is supplementary. Given the measure of one of the angles, find the measure of the other angle.?ABC = 142.4°

A. ?PQR = 57.6° B. ?PQR = 217.6° C. ?PQR = 37.6° D. ?PQR = 322.4°

Mathematics