15-06-2016
Mathematics

contestada

the equation x2+y2-2x+2y-1=0

Respuesta :

mathmate mathmate

20-06-2016

This is the equation of a circle, centred at (1,-1), radius sqrt(3), as follows
rewrite equation as
(x-1)^2-1+(y+1)^2-1=1, or
(x-1)^2+(y+1)^2=(sqrt(3))^2
Don`t know what else you`d like to do with it. lol

Answer Link

Otras preguntas

Three point charges q1, q2, and q3 are located at points (-3, 0), (0, 0), and (3, 0). the outer two are positive, while the one at the origin is negative. to ca

A mixture contains only nacl and al2(so4)3. a 1.45 g sample of the mixture is dissolved in water, and an excess of naoh is added, producing a precipitate of al(

thesis for the fable of the elephant house

Tyler has $9.70 in dimes and quarters. The number of quarters is eight more than four times the number of dimes. How many of each coin does he have?

What is the only great lake that does not border canada?

Whom does Odysseus blame for his troubles?

Mrs. roberts, who is in a diabetic coma, has just been admitted to noble hospital. her blood ph indicates that she is in severe acidosis (blood ph is in the aci

Where does Luther king use a religious tone in his speech ? ( acceptance speech , Nobel peace prize )

1) Compare John Proctor to another character in a story you've read this semester. Explain the similarities and differences between these two characters.

What is an APush definition for Mayflower Compact?