Multiply each term by a^2b^2:-
b^2y^2 + a^2x^2 = a^2b^2
subtract a^2x^2 from both sides
b^2y^2  = a^2b^2  - a^2x^2
Now divide both sides  by b^2
y^2 =  a^2 -  a^2x^2 / b^2  = a^2 (1 - x^2/b^2)
take positive square root ( because y > 0)
y  = a sqrt(1 - x^2/b^2)
        
                    
             
        
        
        
Answer:
0.25
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1. 2^x =64 is option number 4. 6
2. x= (2/5)^3 is option number 1. 8/125
3. 3•(3^4) = 3^x is option number 3. 5
4. 16/25 = x^2 is option number 2. 4/5
        
             
        
        
        
Perpendicular to the base.
Hope this helps!!!
        
             
        
        
        
Answer:
It goes up by 2 each time
Step-by-step explanation: