Rationalizing the denominator, simply means "getting rid of that pesky root at the bottom", and we do so by simply multiplying it by something to take it out, of course, we multiply the bottom, we have to also multiply the top,

Answer:
Opposite reciprocal; so 2/3 would be -3/2
Step-by-step explanation:
Answer:
The answer is... the first option... why equals negative x + 5 and y = x - 3
Answer:
the 2nd answer (II)
Step-by-step explanation:
1 and 2 are not rational if that's what your asking