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

 Nov 30, 2021
 #1
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Can you tell me ur answer choices 

 Nov 30, 2021
edited by Kakashi  Nov 30, 2021
 #2
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(x-1)(x+7)  =

x^2 +6x -7

 Nov 30, 2021
 #3
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Write down the quadratic equation whose roots are x = 1 and x = -7 and the coefficient of x is 1.  

 

Since one root is x = 1, that factor is (x – 1)  

 

The other root is x = –7 so that factor is (x + 7)  

 

Multiply them together        (x – 1)(x + 7)  =  x2 + 6x – 7  

.

 Nov 30, 2021

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