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 definition of absolute value

What would be the proper response to: Quién habla contigo? ¿Cuándo estudias con ella? ¿Qué escuchas con ellos? ¿Dónde practicas el español conmigo? ¿Qué miras

A diet rich in __________ can reduce the risk of many birth defects

True or false: it is possible that two or more small forms can balance a larger one?

Simplify 8^ -5 over 8^ -3 <-- this is a fraction A: 1 8² B: 1/ 8⁸ C: 8² D: 8⁸

Each campaign in your adwords account should have a single:

Vanessa made 6 sandwiches for a party and cut them all into fourths. How many 1/4 sandwich pieces did she have?

The removal of a nucleotide from a gene in the dna leads to a _______________.

Identify the subatomic structure of an atom.

In the late 1980s what percentage of americans watched telivision each day