Answer:
Sum
Step-by-step explanation:
 
        
                    
             
        
        
        
Hello : 
x²+x - 2 =0
a=1   b=1   c = -2
<span>The sum of the roots is : S = -b/a 
</span>S = - 1/1 = -1 
        
                    
             
        
        
        
Answer:
EFG = 90 degrees
GDH = 45 degrees
FEG = 45 degrees
DHG = 90 degrees
Step-by-step explanation:
 
        
             
        
        
        
Answer:
x^2+3x-18
Step-by-step explanation: hoped I helped
 
        
                    
             
        
        
        
Answer:
y = 6/5x - 2
Step-by-step explanation:
use y = mx+ c 
m = slope
c = y intercept 
y = 6/5x - 2