morain22 morain22

13-06-2021
Mathematics

contestada

What are the center and radius of the circle defined by the equation x^2 + y^2 -6x + 8y + 21=0

Relax

Respuesta :

surjithayer10otahza surjithayer10otahza

13-06-2021

Answer:

Step-by-step explanation:

(x²-6x)+(y²+8y)=-21

(x²-6x+9)+(y²+8y+16)=-21+9+16

(x-3)²+(y+4)²=4

center=(3,-4),radius=√4=2

Answer Link

Otras preguntas

How could a writer best revise the above sentence to avoid overly formal language? Cassidy does not know which course she will register for. Cassidy does not

Point A is at –4 and point B is at 6. Which describes one way to find the point that divides AB into a 3:2 ratio?

OMGGG PLEASE HELP I SUCK

Which leader was undecided about invading Spaniards being gods or men

what native cilvilizatiins were conquered by the spanish

What are the Roman numerals to 10 ?

What is a formula for length of a shadow?

400 is 1/10 of what is the answer to this one plz n this one two 60 is 1/10 of

Which was a role of the ephor in Spartan government? A. They made the laws. B. They acted as kings in Sparta. C. They could remove

how would i figure out 19 and 20?