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 were the loyalists, what role did they play during the revolution, and what happened to them afterward?
You are writing a blog post about staying healthy. For your research, you read a long essay but can't figure out the main idea of the text. Which approach is th
What is the area of the triangle
How did hitler and mussolini use the spanish civil war to their advantage?
which theorem or postulate proves the triangles are congruent? A) AAS B) ASA C) HL D) SAS
Question 5 (Fill-In-The-Blank Worth 1 points) Julio: Me dijo que fue a la __________ la semana pasada y que vio a José Antonio con una chica muy guapa. Answer
Audrey said that Kyle was the most unique person she had even met. Why doesn't this statement make sense? A. Something is either unique or not unique. B.
What was homer plessys defense in the case of plessy vs. Ferguson
What power did the recall give to voters?
All living things are composed of cells. the work of cells is done by _____