Only √3 is an irrational number, since you can't write it as a fraction
Answer:
22.5 is the answer.
Step-by-step explanation:
The number keeps increasing by 4.5
7(x+y) because their both factors of 7
gen. Equation is...
x²/a² - y²/b² =1
a=length from origin to vertex
a=2
b=length from origin to focus
b=9
so equation is
x²/2² - y²/9² =1
-> (x²/4) - (y² /81) =1
Hope it helps...
Regards,
Leukonov/Olegion.