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The sum of the roots of 8x^2 - 2x = 1 is:

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8x^2-2x=1
8x^2-2x-1=0
(4x+1)(2x-1)=0
x = -1/4, 1/2

-1/4 + 1/2 = -1/4 + 2/4 = 1/4
User Klynch
by
7.6k points
2 votes

Answer:

1/4

Explanation:

Sum of the roots in equation


ax^2+bx+c=0

is equal to -b/a

Rewrite the equation given:


8x^2-2x-1=0

The sum of the roots is equal to
-(-2)/(8) =(1)/(4)

User Liam De Haas
by
8.2k points

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