pewdsisawesome1984 pewdsisawesome1984

03-06-2019
Mathematics

contestada

What is the radius of a circle represented by the equation x²+y²x²+y²-2x+4y-18=0

Respuesta :

surjithayer10otahza surjithayer10otahza

03-06-2019

Answer:

Step-by-step explanation:

i think eq. of circle is

x²+y²-2x+4y-18=0

compare with x²+y²+2gx+2fy+c=0

center is (-g,-f) or (1,-2)

radius is √(g²+f²-c)=√((1)²+(-2)²-(-18))

=√(1+4+18)

=√23

Answer Link

Otras preguntas

what is a Hyper nova

To minimize the risk of a driver being impaled in a collision, most modern steering columns are:

can someone help me solve the perimeter of this shape??

A 101.2 ml sample of 1.00 m naoh is mixed with 50.6 ml of 1.00 m h2so4 in a large styrofoam coffee cup; the cup is fitted with a lid through which passes a cali

Solve 7p+5q=19p+12 for p

While state law governs many aspects of the election process, the federal government is responsible for ____. registering voters. organizing local polling plac

You take a sample of 22 from a population of test scores, and the mean of your sample is 60. you know the standard deviation of the population is 10. what is th

How is 4 3/11 written as a decimal

Puffer fish poison blocks voltage-gated sodium channels like a cork. what effect would this neurotoxin have on the function of neurons? neurons would depolarize

Bluefin tuna are large fish that can weigh 1,500 pounds and swim at speeds of 55 miles per hour. because they are used in sushi, a prime fish can be worth over