Answer:
6 and -7
Step-by-step explanation:
6 - 7 = -1
6 * -7 = -42
Hope this helped!
 
        
                    
             
        
        
        
Simplify. 
3x^2−7x+9 - 2x^2+4x−8
1. 3x^2-2x^2 = x
2. -7x + 4x = -3x
3. 9 - 8 = 1
Combine. 
x -3x +1
Thus, 2x^2+4x−8 is x -3x +1 less than 3x^2−7x+9
        
             
        
        
        
Answer:
4
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
5^2 + b^2 = 9^2
25 + b^2 = 81
b^2 = 56
square root both sides and b = 7.48 cm
 
        
                    
             
        
        
        
Answer:
Yes
Step-by-step explanation:
Yes it is a function, because graph is intersecting y - axis only once.