23-09-2019
Mathematics

contestada

A circle has center (5,-4) and radius 8. Which gives the equation for the circle?

Respuesta :

harpazo harpazo

23-09-2019

Use (x - h)^2 + (x - k)^2 = r^2.

Note: (h, k) is the center of the circle.

(h, k) = (5, -4). This means h = 5 and k = -4.

Let r = radius

We now plug and chug.

(x - 5)^2 + (y -(-4))^2 = (8)^2

(x - 5)^2 + (y + 4)^2 = 64

Done.

Answer Link

Otras preguntas

What body of water do the Mississippi River and the Rio Grande flow into? a. Pacific Ocean b. Atlantic Ocean c. Gulf of Mexico d. Lake Superior

6r+7=13+7r help plz linear equations

use compatible numbers to find two estimates 42/396

How did civilization develop in ancient India?

What is 33/100 in decimal form?

An oxygen tank contained 212 12/3 liters of oxygen before 27 1/3 liters were used. If the tank can hold 240 3/8 liters, how much space in the tank is unused

What elements make persuasive writing effective?

you cover 10 meters in a time of 1 second .Is your speed the same if you cover 20 meters in 2 seconds?

How do you get the answer to 10+12y=2y+40

Which choice is a sentence fragment? a. I try. b. Unless he calls you, don't worry about it. c. After she finished writing her first novel. d. Once the pain