Question

Directions: Simplify the following expressions using the imaginary number.

1. V-5
2. √-49
3. -3√-9
4. -8√-64
5. -√-50
6.-2√-12
7.5√-12
8. V-8
9. 3√-7
10. -3√-200

Answer 1

1 i(sqrt5)

2 7i

3 -9i

4 -64i

5 -5i(sqrt2)

6 -4i(sqrt3)

7 10i(sqrt3)

8 2i(sqrt2)

9 3i(sqrt7)

10 -30i(sqrt2)

Explanation:

i is the square root of (-1). We can simplify each one as such.