Question

We can only add or subtract radicals if and only if the radicands and index are the same.

A)True

B)False

Answer 1

True

Explanation:

this is what i found.

When adding or subtracting radicals you must have the same?

The first thing to note is that radicals can only be added and subtracted if they have the same root number. If the radicals in a question are unlike, you won't be able to combine them together.