If the solutions of linear equtions 6x+14y
+8=0 is (k²,k) then find the value of x
Answers
Answered by
7
Answer:
answer for the given problem is given
Attachments:
Answered by
3
Answer:
-1
Step-by-step explanation:
Since solutions are of form (k^2,k), 6k^2+14k+8 = 0 should be true.
Factorising this, we get:
6k^2+14k+8=0
,6k^2+6k+8k+8=0
,6k(k+1)+8(k+1)=0
(6k+8)(k+1)=0
Therefore, k=-4/3 and -1
Applying the solutions of k in the initial equation, we find that when x and y are -1, the equation is satisfied.
Therefore, -4/3 is rejected.
x = -1
Hope this helps.. :D
Similar questions