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Use the discriminant to describe the roots of each equation. Then select the best description. 7x2 + 3 = 8x double root real and rational root real and irrational root imaginary root
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Asked 9/5/2013 11:00:27 AM
Updated 7/13/2014 9:10:48 AM
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Flagged by yeswey [7/13/2014 9:10:48 AM]
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User: Use the discriminant to describe the roots of each equation. Then select the best description. 7x2 + 3 = 8x double root real and rational root real and irrational root imaginary root

Weegy: x = 6/8
ailahlin|Points 120|

User: Use the discriminant to describe the roots of each equation. Then select the best description. 7x^2 + 3 = 8x double root real and rational root real and irrational root imaginary root

Question
Asked 9/5/2013 11:00:27 AM
Updated 7/13/2014 9:10:48 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [7/13/2014 9:10:48 AM]
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7x^2 + 3 = 8x
7x^2 - 8x + 3 = 0
a = 7, b = -8, c = 3
discriminant = b^2 - 4ac = (-8)^2 - 4(7)(3) = 64 - 84 = -20 < 0
There are two imaginary roots to the equation 7x^2 + 3 = 8x
Added 7/13/2014 9:10:45 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [8/10/2014 1:25:49 PM]
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Questions asked by the same visitor
Use the discriminant to describe the roots of each equation. Then select the best description. 7x^2 + 3 = 8x a. double root b. real and rational root c. real and irrational root d. imaginary root
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Not Answered
Updated 7/2/2014 9:10:06 AM
1 Answer/Comment
7x^2 + 3 = 8x
7x^2 - 8x + 3 = 0
a = 7, b = -8, c = 3
discriminant = b^2 - 4ac = (-8)^2 - 4(7)(3) = 64 - 84 = -20 < 0
There are two imaginary roots for the equation 7x^2 + 3 = 8x.
Added 7/2/2014 9:10:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/2/2014 9:27:55 AM]
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