kcooppom5Demi kcooppom5Demi

16-07-2016
Mathematics

contestada

explain why you cannot evaluate √−25 using real numbers.

Respuesta :

olemakpadu olemakpadu

16-07-2016

We can not evaluate it with real numbers, because there is no real number that multiplies itself twice and gives -25.

The answer is an imaginary number.

√-25 = 5i where i = √-1

So it can only be computed using imaginary numbers.

Answer Link

Otras preguntas

A force F acting on an object of mass m causes a displacement d. The angle between these two vectors is Θ. The work W done on that object is expressed by

Whose abolitionist novel, published in 1852, "started this big war? A. Barton B. Lincoln C. Stowe D. Tubman

How do international organizations establish and maintain a stable/cooperative world structure?

A direct object _________. creates the action receives the action stops the action indicates the action

A person carries a mass of 10 kg and walks along the +x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A

What is the objective of terrorism

Which expressions are polynomials? Select each correct answer. See photo.

when i write 0.75 reduce to a fraction in simplest form where does the 25 comes in ?

What does paragraph 23 reveal about Gabe? Use two details from the story to support your response.

The use of block grants, allowing states considerable leeway in how federal money is spent, was championed by president ________ under the name new federalism.