SOLUTION: If {{{k=((x+1)(x-1))/3}}} and k=0, what does {{{3x^2}}} equal in terms of k?
A) 3k
B) 9k
C) 3k+1
D) 9k+3
Algebra.Com
Question 1043620: If and k=0, what does equal in terms of k?
A) 3k
B) 9k
C) 3k+1
D) 9k+3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First solve for x^2
Multiply both sides by 3
Use the difference of squares rule
Add 1 to both sides
Now multiply both sides by 3
The final answer is choice D) 9k+3
RELATED QUESTIONS
The sum of three consecutive integers is k. What is the greatest of these integers in... (answered by Fombitz)
What is eqivalent to 5k?
a. 9k-4k
b. (2k)(3k)
c.... (answered by jim_thompson5910)
If four distinct points (2k, 3k), (2, 0), (0, 3) and (0, 0) lie on circle then which... (answered by ikleyn)
If a sequence is defined recursively by k(0)=2 and k(x+1) = 3k(x)-5 for x is greater than (answered by stanbon)
5-9k+1+k-2(7-k) (answered by rchill)
(k-3)/(k-2)-(k-4)/(k-1)=(3k+2)/(k^2-3k+2) (answered by Fombitz)
k/3-1/3k-1/k (answered by edjones)
If k(2x + 3)(x – 1) = 0 and x > 1, what is the value of k?
A -3/2 b 0 c 2/3 (answered by dabanfield,palanisamy)
For which of the following values of k will the value of 3k-1 be greater than 10 ?... (answered by checkley77)