Faithhopson Faithhopson

02-06-2022
Mathematics

contestada

solve u^2 = -4, where u is a real number. Simplify your answer as much as possible.

will mark brainliest if correct

Respuesta :

gameforpop gameforpop

02-06-2022

Answer:

2i and -2i

Step-by-step explanation:

I'll change u to x to be easier to understand.

x^2 = -4

sqrt(x^2) = sqrt(-4)

sqrt(-4) = 2i, or -2i

Answer Link

Otras preguntas

Select the correct answer. What did the ACT UP group fight for? A. equal rights for Black and gay people B. research needed to fight the AIDS virus C. elimin

You are building a ramp that must cover a horizontal distance of exactly 28 feet. The angle of the ramp from the ground is 8°. Determine the length of the ramp,

f the last 18 trains to pull into Castroville Station, 12 were full. Considering this data, how many of the next 12 trains would you expect to be full?

how long will you go to prison for assault and harrasment?

An urgent. Please answer this. :)1 & 2 are Ω3 & 4 are V

What is current of 12 ohm? help me pleasee 1. 0.25 A2. 0.5 A 3. 1 A 4. 1.5 A 5. 2 Aplease show solution.

Which country was a member of the Central Powers? C Russia Serbia C Italy Ottoman Empire

confused on the function and method for this... help me out please.

1. When reading paragraph 10, unlike the farmer, the reader know that - a. His wife has never seen a mirror before b. The shopkeeper is trying to cheat him c. T

The regular price of a watch is $32.25. During a sale, the watch was marked 16% off. What was the price of the watch during the sale? A. $5.16 B. $16.25 C. $