1 because 10/9= 1 1/10
which is closer to 1
It is best to use mental math with some equations (5x5 or something that is easy enough that work does not have to be shown 10 dived by 5
WE need to complete the square on the x and y terms:-
25x^2 - 100x - 9y^2 - 90y = 350
25(x^2 - 4x + ) - 9(y^2 + 10x ) = 350 + 25( ) - 9( )
25(x^2 - 4x + 4 ) - 9(y^2 + 10x + 25) = 350 + 25(4) - 9(25)
25(x - 2)^2 - 9(y + 5)^2 =
25(x - 2)^2 - 9(y + 5)^2 = 225
---------------- -------------- --------
225 225 225
( x - 2)^2 (y + 5)^2
------------- - -------------- = 1 Answer
9 25
Answer: 
square unit
Step-by-step explanation:
The formula for calculating the area of a square when the diagonal is given is :
That is :
square unit
