LMixer5sosCR7Fan
LMixer5sosCR7Fan LMixer5sosCR7Fan
  • 03-10-2017
  • Mathematics
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Please help ASAP!


If -3 is a zero of P(x) = 2x^3 + 3x^2 - kx - 27, Find the value of k. Show steps, please.

Respuesta :

kritter1
kritter1 kritter1
  • 03-10-2017
You can just input the value of -3 into the equation to find value of k.

0=2(-3)^3 + 3(-3)^2 +3k -27
27= -54 +27 + 3k
27= -27 = 3k
27+27 = 3k
54/3 = k
18 =k

Hope I helped :)
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