Question

Write the following in symbols:

(1) The positive square root of 400
(2) The negative square root of 81
(3) The negative square root of 121
(4) The positive square root of 1

Answer 1

(1) The positive square root of 400 can be written in symbol as $\sqrt{400}$

(2) The negative square root of 81 can be written in symbol as $-\sqrt{81}$

(3) The negative square root of 121 can be written in symbol as $-\sqrt{121}$

(4) The positive square root of 1 can be written in symbol as $\sqrt{1}$