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

Which of the following is not a need-based source of financial aid? Question 7 options: A:athletic scholarship B:subsidized loan C:unsubsidized loan D:fede
Car travels for 15 mins at 48mph it then travels for 2 hours at 60mph it then travels for 45 mins at 40mph what is the car average speed for the whole journey
Erin buys a bag of peanuts that weighs 3/4 of a pound.later that week the bag is 2/3 full how much does the back of peanuts weigh now? show your work plz.
The difference of the same side angles of two parallel lines is 35°. Find the measures of these two angles.
Use inequality notation and interval notation to describe y is no more than 20
How do you solve this 3.7÷(1 2/9 −0.4)?
who Let The Exodus out of Egypt
Can someone please help me with these 2 questions? I’m so confused on them
write 4,706 × 10 11 in standard notation
At 7:30 A . M ., a bus left Town P for Town Q at a speed of 60 kilometers per hour. 15 minutes later, a car left Town Q and headed for Town P. The car reac