Question

For what values of the variable x is the rational
expression undefined: 8/(x + 2)

Answer 1

what exactly does undefined mean in this context?

Answer 2

i have know idea

Answer 3

Undefined means can't exist. This expression can't exist if x+2=0 because we can't divide by zero.

Answer 4

So now that @math&ing001 has shown you what undefined means, can you extrapolate to solve the problem?

Answer 5

so what does that meaan

Answer 6

You can find the values of x for which the rational expression is undefined by solving the equation x+2=0

Answer 7

hmmm what would be if say the quotient for \(\bf 0 \div 9\quad ?\)

Answer 8

what?

Answer 9

0 divided by 9, what would that be?