vsjsejdd4038 vsjsejdd4038

14-06-2022
Mathematics

contestada

What is the center and radius of a circle whose equation is x2 + y2 -2x -6y -5 = 0?

Respuesta :

Scabbers Scabbers

14-06-2022

x²+y²-2x-6y-5=0

x²-2x+y²-6y=5

x²-2x+1+y²-6y+9=5+1+9

(x-1)²+(y-3)²=15

(x-1)²+(y-3)²=(V15)²

-> centre of the circle: C(-1,-3)

-> radius of the circle: V15

Answer Link

Otras preguntas

PART A: Read line 15 from the passage from The Odyssey: “Some demon calm’d the air and smooth’d the deep.” What does the line describe?

true or false If a material has a hardness of 8, it cannot be scratched by a material with a hardness of 7.

Where did many African Americans southerners go during word war 1 for opportunities

What is the purpose of this information, found on a nutrition label?

Ana, ¡no _________! ¡Quédate en casa y haz la tarea! A. sale B. salgas C. salga D. sales

Topic externality, difficulty e, type re, answer b a cost imposed on people other than the consumers of a good or service is a.positive externality. price floor

Match each event during the Industrial Revolution with its effect on work and labor. Tiles; People moved from rural to urban areas. Workers were subjected to po

Which of the following statements accurately describes Native Americans living in the Southeast in the 1800s? A) They were nomadic savages. B) Many ad

It's a multiple choice question

3x+9=8,(x= -1) Check weather the value given in the bracket is a solution to the given equation or not