MATH
posted by CHRIS .
For which value of x will the fraction 7/2x6 be undefined?
HOW TO DO THIS ?

A fraction is undefined if its denominator is zero, so set
2x6 = 0
2x=6
x = 3
So x = 3 makes the fraction undefined. 
Any fraction is undefined when the denominator is equal to zero.
In this problem the denominator is 2x6.
In order to find what value of x is needed to make the denominator zero, set it equal to x and solve.
2x6=o
2x=6
x=3
Therefore, this fraction is undefined (or has a denominator of zero) when x is equal to 3. 
thanks