Question

Please help!
Need to find eccentricity of this Hyperbola:

Answer 1

\[5x ^{2}-9y ^{2}=45\]

Answer 2

What are a and b ?

Answer 3

oh gosh wait i can divide both sides by 45 to get it to equal 1 and find a and b right?

Answer 4

right

Answer 5

so a is 3 and b is square root 5?

Answer 6

yup

Answer 7

and i can use c^2=a^2+b^2 formula to find c?

Answer 8

yes

Answer 9

so e=7/3?

Answer 10

recheck your answer

Answer 11

oh oops its square root 14/3?

Answer 12

That's right !

Answer 13

ok thanks!