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

What is the tense of the underlined verb? I taught myself the capitals of all the states yesterday. A. past B. past perfect C. present

During the Russian Revolution of 1917, what was the name for the informal councils, like town meetings, where workers, farmers, and soldiers came together to vo

In the continental United States,the ratio of states that border an ocean is 7:9 .How many of the states border an ocean?

Europeans believe in their cultral superiority helped them justify imperialistic actions because they thought

After an hour on the expressway, your passengers need to use the restroom and they want to get some food. As you approach the next exit, what color sign will yo

Corey needs 24 boards that are 47 1/2 long. How many feet of boards should he buy

Which location receives 12 hours of daylight and 12 hours of darkness on June 21?

why did the framers give different duties to each branch

Grace bought 4.5 pounds of fish that cost $4.98 per pound. how much did she pay for fish?

16.437 rounded to the nearest hundredth