Write the quadratic equation whose roots are 3 and 6 , and whose leading coefficient is 2 .
Question
Updated 12/27/2014 9:04:28 AM
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Original conversation
User: Write the quadratic equation whose roots are 3 and 6 , and whose leading coefficient is 2 .

User: Write the quadratic equation whose roots are 3 and 6 , and whose leading coefficient is 2 .

Question
Updated 12/27/2014 9:04:28 AM
Rating
8
the quadratic equation whose roots are 3 and 6 , and whose leading coefficient is 2 is 2x^2 - 18x + 36 = 0
Roots are 3 and 6, then (x - 3)(x - 6) = 0
leading coefficient is 2, then (2x - 6)(x - 6) = 0
2x^2 - 12x - 6x + 36 = 0
2x^2 - 18x + 36 = 0
Confirmed by andrewpallarca [12/29/2014 12:15:19 PM]

Questions asked by the same visitor
Write the quadratic equation whose roots are 4 and 5 , and whose leading coefficient is 4 .
Question
Updated 7/12/2015 8:00:57 PM
the quadratic equation whose roots are 4 and 5 , and whose leading coefficient is 4 is 4x^2 - 36x + 80 = 0.
Roots are 4 and 5: (x - 4)(x - 5) = 0
leading coefficient is 4: (4x - 16)(x - 5) = 0
find the product: 4x^2 - 20x - 16x + 80 =0
simplify the equation: 4x^2 - 36x + 80 = 0
Flagged by jeifunk [7/9/2015 11:39:03 AM], Unflagged by Andrew. [7/13/2015 9:18:23 PM], Confirmed by Andrew. [7/13/2015 9:18:23 PM]
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