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

what must a substance be able to do in order to be used as an acid base indicator
Which of the following helped introduce native amercians to the world of economy
How much does the state of Florida spend on corrections a year? A. $250,000 B. $1 million C. $2.5 million D. $2.5 billion
Which research method uses information that governments, businesses, and educational institutions have already made available for public use? A. survey B. cor
group of fighters in Vietnam hid in the jungle, used guerilla war tactics and often disguised themselves as civilians
which statement is an example of the author's use of logos that might be used in an argument?
SOlve for x+2 = 2x-9+4
HELP PLS 18 POINTS!!!!! SUMMARY Students should compare and contrast the English Bill of Rights and the Bill of Rights in the American Constitution. Similaritie
I WILL MAKE YOU THE BRAINLIEST EASY QUESTION 11/16, 9/16, 7/16, 5/16, 5/16, 3/16, 3/16 and 1/16
what is cardiomyopathy