LMixer5sosCR7Fan
LMixer5sosCR7Fan LMixer5sosCR7Fan
  • 03-10-2017
  • Mathematics
contestada

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 :)
Answer Link

Otras preguntas

Who wrote the sonnet, “The New Colossus,” which is engraved on the pedestal of the Statue of Liberty?
Believing that all football players are academically challenged, that all African Americans are great athletes, and that all women can cook well are examples o
What American President was famous for playing golf every Fourth of July?
This haunting and eloquent military tune originated as a signal to mark the end of the day, and is used today at funerals, wreath-laying services, and memorial
The economy of the Hopewell people of North America was based on?a. no sedentary activities, but trading of plants for medicine.b. full-scale domesticated agric
Where does the Liberty Bell hang?
What's a Protective tariff?
what is database of computer ?
Rule for the relationship between certain quantities. Domain Origin Formula Term
Snap, crackle, pop! Name the cereal capital of the world: a. Kellogg, Minn. b. Battle Creek, Michigan c. General Mills, Idaho