loveaman804
loveaman804 loveaman804
  • 03-06-2021
  • Mathematics
contestada

For what value of k is the expression x^4 + kx^2+36 a perfect square

A.36
B. 6
C. 72
D. 12

Respuesta :

8125824420q
8125824420q 8125824420q
  • 03-06-2021
I think it might be 36
Answer Link
goddessboi goddessboi
  • 03-06-2021

Answer:

B) 6

Step-by-step explanation:

We need to figure out the value of k in x⁴+kx²+36 -> (x²+a)(x²+b) where a+b=k and ab=36 as a=b. Therefore, k needs to be 6 because 6*6=36 and 6+6=12 given a=b.

Answer Link

Otras preguntas

To live a good life and be the sort of people we ought to be, we need to develop a virtuous character that
To the nearest tenth, which is the perimeter of ABC. Geometry
could someone help me with this question.
"Repatriation" was the acceptance of Mexican immigrants and their children into the US whether they arrived legally or illegally. true or false
3. (LC)What should readers use to check their understanding of a text? (10 points)Information about the author's other worksO Evidence from the textNotes provid
a ferris wheel goes around once every 20 seconds . How many times will a rider be ag thetop during an 8-minuteride? A.23 B.24 C.25 D.160
i dont know the answers for these .Need help
if BPD and dpc have a sumof 72 degrees What is APC?A. 18°B 90°D.180°​
What is the prime factorization of 40? 2 x 5 2 x 20 2x2x2x5 2x2x4x5
what are some chores to in or out? not dealing with: sweeping vacuuming organizing closet or room doing dishes