Asked by Katherine
Well, I now need help with math as well..
What exclusions are placed on the variable x for the fraction: 4x^2-1/4x+2 ?
What exclusions are placed on the variable x for the fraction: 4x^2-1/4x+2 ?
Answers
Answered by
Reiny
4x^2-1/4x+2
I am sure you meant:
(4x^2-1)/(4x+2)
= (2x+1)(2x-1)/(2(2x+1))
= (2x-1)/2 , oops I just divided by zero if x is equal to what value???
I am sure you meant:
(4x^2-1)/(4x+2)
= (2x+1)(2x-1)/(2(2x+1))
= (2x-1)/2 , oops I just divided by zero if x is equal to what value???
Answered by
Katherine
No, I need to know what exclusions are placed on the variable x.
A.) -1/2
B.) 0
C.) -1
D.) None
A.) -1/2
B.) 0
C.) -1
D.) None
Answered by
oobleck
did not the "oops" give you a hint? Ever tried to divide by zero?
Answered by
Katherine
well that wasn't the answer anyways so Thanks :)
it was actually -1/2, and that's what I put.
it was actually -1/2, and that's what I put.
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