Question

Which of the following is equivalent to 18 minus StartRoot negative 25 EndRoot? 5i 18 – 5i 18 + 5i 23

Answer 1

Answer:

Step-by-step explanation:

$18-\sqrt{-25}=18-\sqrt{i^{2}*5^{2}}\\\\=18-5i$

Answer 2

Answer: the answer is b

Step-by-step explanation: