Question

first up, lets review the assignments learning objectives.
get familiar with this topic by reviewing instruction and answering a couple of questions.

question

simplify: (-\sqrt{225}). if the result is not a real number, enter (\varnothing).

provide your answer below:

Explanation:

Identify the perfect square inside the radical

$$ 225 = 15^2 $$

Evaluate the square root

$$ \sqrt{225} = 15 $$

Apply the negative sign

$$ -\sqrt{225} = -15 $$

Answer:

Simplify: \(-\sqrt{225}\). If the result is not a real number, enter \(\varnothing\).

Provide your answer below:
<blank>-15</blank>