Panels Panels
  • 03-01-2018
  • Mathematics
contestada

Simplify.

√-112

A. 4√7
B. -4i√7
C. 4i√7
D. -4√7

√ is a square root sign btw

Respuesta :

sbcardinals
sbcardinals sbcardinals
  • 03-01-2018
C. 4i√7 is your answer because 

√-112 = 
√112*√-1 = 4√7*√-1 = 4i√7
Answer Link
ElenaClaudia
ElenaClaudia ElenaClaudia
  • 03-01-2018
√-122 = √(-1) × √122                    Obs. √-1 = i

          = i × √(16×7) = 

          = i × 4√7 = 

          = 4i√7       ⇒     Answer C.
Answer Link

Otras preguntas

Read the excerpt from “The Wife” by Washington Irving. “Poor Mary!” at length broke, with a heavy sigh, from his lips. “And what of her,” asked I, “has anything
Name the alkane that contains 18 hydrogen atoms
what is one of the main points of horace miner’s article ""body ritual among the nacirema""?
What is the slope of the line passing throug? the points (1, 5) and (4, 1)?
Shane made a scale drawing of a hotel. A room in the hotel, which is 18 feet wide in real life, is 51 inches wide in the drawing. What is the scale of the drawi
I really need help!!!!!!!!!!!!!!!!!!
Is 48,615,453 divisible by 9? 20 pts!
What is the measure of angle TRS?
Determine whether the two lines are parallel, perpendicular, or neither. y=3x+9 −9x+3y=12
¿Qué oportunidades en educación ofrece el Estado panameño para mejorar el indice de Desarrollo Humano de la población?