+0  
 
0
26
2
avatar

Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of x is 1.

 Sep 12, 2021
 #1
avatar
0

The quadratic is x^2 + x - 7.

 Sep 12, 2021
 #2
avatar
0

 

Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of x is 1.     

 

Since the roots are +1 and –7,  

  the factors are (x – 1)(x + 7)  

     which multiplies out to  .........  x2 + 6x – 7   

.

 Sep 12, 2021

23 Online Users