lizmarielee19
lizmarielee19
19-03-2016
Mathematics
contestada
can anyone help me solve this problem?
Respuesta :
zerofrancisco
zerofrancisco
19-03-2016
its about finding the equation of a circle from its general form equation:
x^2 + y^2 + 8x - 4y - 61 = 0
x^2 + 8x + 16 + y^2 - 4y + 4 = 61 + 16 + 4
(x + 4)^2 + (y - 2)^2 = 81
therefore the center is C(-4, 2), and the radius is 9
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
The sum of two numbers is 28. The first number, x, is three times the second number, y.
Which of the following is a result of glycolysis? production of CO2 conversion of glucose to two, three-carbon compounds a net loss of two ATPs per glucose mole
15. Which of the following is not human-caused groundwater pollution? A. Water in an aquifer dissolves elements such as arsenic and mercury from surroundi
The colors at sunset are usually the result of raindrops
Can nonrenewable resources be used sustainably?
Solve the equation for x. If a solution is extraneous, be sure to identify it in your final answer. Square root of x-2+8=x
. During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the wall to 12.0 m/s away from the wall. If the time the ball was
what effect did the practice of iconoclasm have on the byzantine empire
which of the following is NOT equal to 50 millimeters?a. 5,000,000 nanometersb. 0.05 metersc. 5 centimetersd. 50,000 micrometers
what is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? A. Passive transport B.Diffusion C. Endocytos
