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

14/9 as a mixed number
I chemistry class Andrew has earned scores 64 69 73 on three test. He must maintain an average of 70 to pass the course. What score must Andrew earn on the fina
which of the following sets of words is an example oh homophones? a. run/fun b. angry/mad c. flea/flee d. hide/seek
what are non examples of volume
It’s ok to give a speech when the audience knows more than you. True False
"Z is the centroid of . If AZ=12, what is ZY? A) 6 B) 9 C) 12 D) 18"
How is using money related to bartering
Identify as a direct variation, inverse variation or neither. y = 6x
"The table shows how Emily's essay will be scored. What was Emily's overall score? a. 18.75 b. 25 c. 25.75 d. 28"
"Quadrilateral ABCD underwent a sequence of transformations to give quadrilateral A′B′C′D′. Which transformations could have taken place? a reflection across t