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The roots of  x^2 + 8x + 4 are the same as the roots of Ax^2 +bx + 1 . What is A + B?

 Mar 15, 2021
 #1
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A + B = 1/8 + 1/4 = 3/8.

 Mar 15, 2021
 #2
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x^2       + 8x   + 4       divide by 4

1/4 x^2  + 2x  + 1           A = 1/4    B = 2     add 'em together

 Mar 15, 2021
 #3
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Thanks Electric Pavlov!

 Mar 16, 2021

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