SpookyDolly
SpookyDolly SpookyDolly
  • 02-05-2017
  • Mathematics
contestada

the equation of a circle centered at the origin is x^2+y^2=64.what is the radius of the circle?
A.32
B.8
C.4
D.64

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 03-05-2017
EQUATION OF A CIRCLE = (x-h)² + (y-k)² =r²

In this case, since the center of the cercle is in O, then h=0 & k=0

x²+y² = 64
Answer Link
mohawklover97
mohawklover97 mohawklover97
  • 03-05-2017
the answer is 8, i thought it was 4 but my apex class said 8 was the correct answer.
Answer Link

Otras preguntas

The theme of this passage from the Declaration of Independence is best described as: (5 points) connections and correspondence were interrupted many attempts we
there are 10 pies.4 of the pies are apple. the rest are cherry. what fraction of the pies are cherry?
WHich is shorter 3/4 of a minute or 2/4 of an hour
how does the band feel about bud in bud not buddy
is 25 a perfect cube
2/3 of 3/4 is equal to
A business plan is usually necessary for an entrepreneur to __________. obtain financing plan his or her day manufacture a new product all of the above
what is the fact family for 3,6,18
What was the resurgence of fundamental Christianity partly in response to in the 1970s?.
a quarter horse often excels at running races of 1/4 or less. how many feet is that