Question

Which of the following equations will produce the graph shown below?

a. 20x^2-20y^2=400

b. x^2+y^2=16

c. x^2/20 + y^2/20=1

d. 6x^2+6y^2=144

Answer 1

d

Answer 2

are you sure ?

Answer 3

yes

Answer 4

thank you

Answer 5

yw

Answer 6

It is a circel whose radius is little bit less than 5, so it should be
\[ \frac {x^2}{20} + \frac {y^2}{20}=1
\]
Which ithe graph of a circle of radius \[\sqrt{20}= 4.47214\]

Answer 7

circle