kapin644 kapin644
  • 02-05-2020
  • Mathematics
contestada

write an equation for a circle with a radius of 3 and a center located at point (2,-1)

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 02-05-2020

Answer:

(x - 2)^2  + (y + 1)^2 = 9

Step-by-step explanation:

recall the equation for a circle:

(x - h)^2 +  (y - k)^2 = r^2

here (h, k) = (2, -1)

and r = 3

so

(x - 2)^2  + (y -(-1))^2 = 3^2

(x - 2)^2  + (y + 1)^2 = 3^2

(x - 2)^2  + (y + 1)^2 = 9

Answer Link

Otras preguntas

select all expressions that are equivalent to 4- (x 2) - 2x 4
Each of the options below describes a relationship that you need to graph on a coordinate plane. Which of the options will have a slope of 12? Select all that a
A rectangular piece of platinum has dimensions of 3.50 cm x 2.16 cm x 1.08 cm and weighs 175.5 g. What is the density of platinum? a. 21.37 g/cm³ b. 24.25 g/cm³
A client is prescribed cloidogrel and the grill what should the nurse is reinforcing teaching about this medication
How do I solve this?
Who is melinda french
1.5 g of MgCl2 is dissolved in water to make a total volume of 750 mL. What is the concentration of the solution in mol/L?
Eric has 240 coins in his collection 11/20 of the coins are pennies 4/20of the coins are nickels the rest of the coins are quarters How many quarters are there
how to writ about scroog throghout the story
DDDDDDDDDDDDDDDDDDDDDDDDDDDDD