How do you find the value of the discriminant and state the type of solutions given #9m^2+6m+6=5#?

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How do you find the value of the discriminant and state the type of solutions given #9m^2+6m+6=5#?

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Answer 1 · 2017-02-22T20:59:34

Double root at # x = - 1/3#

Explanation:

Bring the equation to standard form:
#9m^2 + 6m + 1 = 0#
Discriminant #D = d^2 = b^2 - 4ac = 36 - 36 = 0#
There is double-root at #x = -b/(2a) = -6/18 = -1/3#

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How do you find the value of the discriminant and state the type of solutions given #9m^2+6m+6=5#?

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