CassCrim101 CassCrim101

07-08-2018
Mathematics

contestada

Evaluate the expression, if possible: √ –25

A. Not a real number
B. 25
C. 5
D. –5

Respuesta :

musiclover10045 musiclover10045

07-08-2018

The square root of a negative number considered an imaginary number. This means it is not a real number.

The answer is A.

Answer Link

07-08-2018

When a negative sign is under the square root, we are unable to get real numbers back after taking the root.

Thus, the square root of -25 is not a real number (choice A).

Answer Link

Otras preguntas

Escribe oraciones completas usando la forma correcta del pretérito. Cambia lo que sea necesario. Sigue el modelo. Usted / dar / fiesta sorpresa Tú / no / poder

An 80.0 kg skier slides down a hill shaped as shown. Assume the skier begins to slide down the hill without friction or air resistance and is accelerated only b

Combining___and___in one art work can enhance the meaning of both the photograph and the wordsFill in the blank

Suppose you have an argument with false premises and a false conclusion. Given this information, what do you know about the validity of this argument

Plz help me with this!

Find the value of x, if f(x)=3x-15 when f(x)=30

Simplify the expression -5+9+(- 3/5)+1/5

Big Money Bank has an offer for new customers: if you deposit $5,000 in a savings account, you will earn 6.5% simple interest over the first 10 years. How much

In the poems extended metaphor the “fearful trip”is?

Round to the nearest whole number: a) 19.3 b) 127.8