Y=7 becuase 5+2 IM ASSUMING is 7 so the value of y=7
        
             
        
        
        
How the help does a duck drive? It might be 24 if you do 72/3= 24
        
             
        
        
        
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Answer : Y=-15/7
Explanation:
        
             
        
        
        
Hi there!

We are given the equation:
x² - 2y = 7 
To verify if each ordered pair is apart of the function, we can plug in their respective x and y values:
1. (5)² - 2(8) = 7 
25 - 16 = 9 ≠ 7. This is NOT correct.
2. (-1)² - 2(-3) = 7
1 + 6 = 7. This is correct.
3. (-4)² - 2(-11.5) = 7
16 + 23 = 39 ≠ 7. This is NOT correct.
4. (1.2)² - 2(-2.78) = 7 
1.44 +5.56 = 7. This is correct. 
Thus, only 1 and 4 are the correct answers.