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

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

One way to measure economic growth is by using GDP, which stands for

The graph shown here is the graph of which of the following rational functions

Read the excerpts from Samuel Johnson’s preface to A Dictionary of the English Language. In both excerpts, the word endeavour means to probe, investigate, or ex

What are the implications for the reader in the line, "For every atom belonging to me as good belongs to you"?

How would you do this??

Consider the following table: Does the table represent a function? why or why not A.The table represents a function because each element in the range is associa

What is Walt Whitman’s poem “when I heard the learn’d astronomer” about

44 people are going on a trip each bus carries 8 people how many buses will they need

What is the largest rectangular area one can enclose with 38 inches of string?

Very few people have actually come in contact with a shark, but many would show fear at the sight of a large fin swimming through the ocean waves because they h