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

Sure as there's an L at the end of dragons tail these three words are at the beginning of every scale
I need help plz help me
In which Paralypic Games did St. Germaine and his team have the greatest success? Use two details from the article to support your response.
confused with these distributive property problems. i am asked to verify the distributive property in them but i dont get why one number is used twice for examp
The length of a rectangle is 5 mm longer than its width. Its perimeter is more than 30 mm. Let w equal the width of the rectangle. Write an expression for the l
What is true about music from the romantic period?
What is square root of 2?
Which loan type requires you to make loan payments while you’re attending school? Unsubsidized federal loanBSubsidized federal loanCPell GrantDNone of the above
You are not allowed to park within____ feet off any flashing signal,stop sign,or traffic signal
What was the Great Leap Forward ?