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

7x + 2y = 4 y = x + 1 Solve the system of equations. A. (1/3, 4/3) B. (2/9,11/9) C. no solution
Plz help!!!!!!!!!!!!!!
Please help me with this.
A granola recipe calls for 3/4 of a cup of peanuts and 2/3 of cup of raisins. how many cups of raisins should be used for every one cup of peanuts ​
Determine whether y varies directly with c. If so, find the constant of variation k and write the equations.
Which of these would you primarily consider while gathering supportive evidence for your paragraph of an interpretive essay? A. Text that justifies the thesis
Need help on some questions.. easy points...
Choose the best estimate for the capcity of a bath tub A. 5ml B. 500ml C. 50cl D. 500L
Colleen frequently expresses her political views at work, at times triggering conflict between several coworkers and herself. In this example, political express
Which of the following is a subsurface event that takes place during the rock cycle? (6 points) Cementing Erosion Melting Weathering