Need on 2 algebra problems ! evaluate the root without using a calculator, or note that the root isn't a real number. 1. square root 8√256 a. not a real number b. 16 c. 2 d. 4 2.square root 4√16 a. 2 b. –2 c. 3 d. not a real number

1) C. 2

2) A. 2

Step-by-step explanation:

1. We need to descompose 256 into its prime factors:

We must rewrite the expression :

We need to remember that:

Then:

2. Let's descompose 16 into its prime factors:

We must rewrite the expression :

Then we get:

no not all of them.

step-by-step explanation:

some of them have a square base.

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.