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Write down the quadratic equation whose roots are x = -7 and x = 1 and the coefficient of x^2 is 1.

Enter your answer in the form "x^2 + bx + c = 0".

 Apr 29, 2021
 #1
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The quadratic is "x^2 + 8x + 7 = 0".

 Apr 29, 2021
 #3
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Look more closely.  The problem says –7.   :D  

 

Guest Apr 30, 2021
 #2
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Write down the quadratic equation whose roots are x = -7 and x = 1 and the coefficient of x^2 is 1.

Enter your answer in the form "x^2 + bx + c = 0".  

 

x = –7  means one factor is (x + 7)  

x =   1  means one factor is (x – 1)  

 

Multiply them together                        (x + 7)(x – 1)  =  x2 + 6x – 7 = 0  

.

 Apr 30, 2021

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