Question

Express the radical in simplest form:square root of 45(x)

A:9x square root of 5
B:3 square root 5x
C:5 square root 3x

Answer 1

\[\Large \sqrt{45x} = \sqrt{45 \times x} = (\sqrt{45}) \times (\sqrt x) = (\sqrt{9 \times 5}) \times (\sqrt x) = (\sqrt 9) \times (\sqrt 5) \times (\sqrt x)\]

\(\sqrt 9\) is a perfect square isnt it?

Answer 2

so whats the answer?

Answer 3

what is the square root of 9?

Answer 4

3

Answer 5

A,B, OR C?