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

2. Plot two numbers that are 5 units from zero on the number line.

to meet the requirements for flight under ifr, and aircraft must be equipped with certain operable instruments and equipment. one of those required is

Does Federalist #10 or Brutus #1 better align with an assumed colonist’s desire to have a stable government and society that ensures personal liberties are main

a leader's role in change and innovation is to: group of answer choices provide permission to staff to solve problems take credit for the ideas of others facili

f(x) = 3x²5x + 20 Find f(-8)

Could you tell me any punishments without beating for students who did not do homework,and so on

After cellular replication, a nucleolus failed to reform in the nucleus. What would be the most immediate implication of this failure?

In the early days of Biden's presidency, the cold death hand of government regulation stretched farther than it did during the Obama years.

Use the distributive property to remove the parentheses (-3+3v+2v)(-9)

who was Andrew Johnson's main rival in Congress