Nozie6338 Nozie6338

11-06-2017
Mathematics

contestada

The equation for the circle is:

x2+y2+14x+10y−7=0 .

What is the center of the circle?

Respuesta :

minimangalsathyan minimangalsathyan

13-06-2017

use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9

Answer Link

Otras preguntas

Find the velocity of a truck traveling north 50m in 20 seconds. A. 2.5 m/s B. 3.5 m/s north C. 1 m/s north D. 2.5 m/s north

The table represents two liner functions in a system What is the solution to this system Please answer A) 1,0B)1,6C) 8,26D)8,-22

how will CO2 and h20 leave your body after cellular respiration?

5. What caused the ecosystem in the Lion King movie to become fragile?

A performing arts theater offers a group rate om season passes of $70 total for the first two passes plus $25 for each additional pass. what is the cost of 8 se

What is the answer for a

Please help me, i will give brainiest !! Cora ran 3 miles last week and will run 7 miles per week from now on. Hana ran 9 miles last week and will run 4 miles

what are these three question answers

Helpppp plz!!!!!!!!!!!!!!!!

what is the operation of (ab)c = c(ab)