atomcolemaned atomcolemaned

16-06-2017
Mathematics

contestada

An equation of a circle is given as (x + 6)² + (y − 7)² = 81. Find the center and radius of the circle. Show all work to receive full credit.

Respuesta :

93291kitty 93291kitty

16-06-2017

Center is (-6,7) and radius is 9. A circle with a center at (h,k) and a radius of r has the equation (x-h)^2 + (y-k)^2=r^2 so h= -6 k= 7 r is 9 you just work back wards, what two numbers multiplied gives you 81? Well 9

Answer Link

Otras preguntas

What leads to long-term immunity in mammals? . . A. Exposure to an antigen . B. Action of an antibody . C. Barriers

Which organelle is most likely to be missing from the cells of a leaf? A.nucleus B.cytop

identify the conic from the equation 13x^2-6 sqrt 6x+7y^2-16=0 What is the angle of rotation for the equation? A.hyperbola 34 degree. ellipse 68 degrees.B. hype

Which process allows organisms to keep internal conditions relatively constant despite changes in external conditions? . . . . A.Homeostasis. . . . B.Hibernatio

Which religion was practiced in Oceania before the arrival of Europeans? The choices are the following: animism. Hinduism. Christianity. Islam

What two consecutive whole numbers lie between the square root of 55?

What is the amplitude, period, and phase shift of f(x) = −3 cos(4x + π) + 6?

What environmental factor does the pyramid of energy incorporate that prevents it from inverting?

? What is the main function of the epididymis?

which of the following terms identifies the type of poem " the raven" is?