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

I need help on 16,17,18,19 please
what is a trend line on a scatter plot? A. a visual representation of the relationship between two variables B. a line connecting only the highest and lowest va
Jonathan, a 15-year-old, loves ice cream and finishes an entire tub of ice cream for dinner. In the context of Freud’s structures of personality, which of the f
What is the potential energy of a 12 kg object sitting 4.5 m above the ground?
Which word best identifies a relative pronoun? 1. Them 2. Its 3. Which 4. Theirs
What is a light-year? Question 14 options: The amount of time it takes light to travel between 2 stars The distance between 2 stars The distance light travels
You are told that the sampled signal sent by a source is 2 seconds long and has 8000 samples per second. The signal is x[n]______.
Which of the following events experienced by a department store would be presented in the operating section of a multi step income statement? A. Inventory sold
Question #23. Pls help me to get the answer
Mark gathered data about the number of pink and red flowers that bloomed on several of his flowering shrubs. The scatter plot shows the data he gathered and the