SOLUTION: if one zero of polynomial 2x^2-3x+p is 3, then find the other root(zero). Also find the value of p.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: if one zero of polynomial 2x^2-3x+p is 3, then find the other root(zero). Also find the value of p.      Log On


   

Question 744664: if one zero of polynomial 2x^2-3x+p is 3, then find the other root(zero). Also find the value of p.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if one zero of polynomial 2x^2-3x+p is 3, then find the other root(zero). Also find the value of p.
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Use synthetic division:
3)....2....-3....p
------2----4....|p-12
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Solve:
p-12 = 0
p = 12
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Quotient: 2x + 4 = 0
x = -4/2 = -2
----
Other root: x = -2
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Cheers,
Stan H.