caronruffin56 caronruffin56
  • 17-11-2014
  • Mathematics
contestada

what is the equation of a circle with center (2, -5) and radius 4?

Respuesta :

luana
luana luana
  • 17-11-2014
[tex]Equation\ of\ circle\\\\\ r^2=(x-a)^2+(y-b)^2\\\\ a,b- \ coordinates\ of\ center\ of\ circle\\\\\ (a,b)=(2,-5) \\\\ r-\ radius\\\\ r=4\\\\Solution:\ 4^2=(x-2)^2+(y+5)^2\\\\\ [/tex]
Answer Link
konrad509
konrad509 konrad509
  • 17-11-2014
[tex](x-h)^2+(y-k)^2=r^2\\\\ (x-2)^2+(y+5)^2=16[/tex]
Answer Link

Otras preguntas

Use morphology and syntax to make grammatical sense of the following sentence. The English language began when the _____ invaded. Celts Anglos Saxons Jutes Brit
How did the british feel about the united states trying to annex texas?.
Pls I need help with his math problem
What does x and y mean
ws 1. La familia de mi papá __ (ser) feliz. 2. Papá y sus amigos___ (comer) el almuerzo en la escuela. 3. Mi papá___ (esperar) el autobús con sus hermanos. 4.
When the distance of two objects ___, the attraction _____. A. decrease / decreases B. increase / increases C. increase / decreases
Natural resources are substances that exist _____. Group of answer choices A. without any actions of humans. B because of human actions
Air is necessary for which three things?
A machine seals 55 envelopes per minute how many envelopes can the machine seal in 35 minutes.
Lake Ontario is 24,360 square miles smaller than the size of Lake Superior. If Lake Ontario is 7,340 square miles, how many square miles is Lake Superior? Write