Seudónimo Seudónimo
  • 01-03-2021
  • Mathematics
contestada

What are the solutions to (x+7)2 = 81?


A. -74 and 88

B. -2 and 16

C. -88 and 74

D. -16 and 2

What are the solutions to x72 81A 74 and 88B 2 and 16C 88 and 74D 16 and 2 class=

Respuesta :

bdezzy331
bdezzy331 bdezzy331
  • 01-03-2021

Answer:

D

Step-by-step explanation:

x+7 =√81: x=s

x+7=-√81: x=-16

Answer Link

Otras preguntas

E = mv^2 Work out the value of E when m = 3 and v = 10
A straight line has an equation y= 4x=5 Write down the equation of the straight line that is parallel to y=4x-5 and passes through the point (0,3).
Is 4xy + 2y = 9 linear ? If yes write the equation in standard form & determine the x & y interests
A non-metal usually forms 2 covalent bonds in its compounds.How many electrons will it take in its valence shell？
Find the coordinates of point E if C is the midpoint of AE A has the coordinates of (-3,1) C has the coordinates of (-2,-1)
Why are frying pans usually made out of metal?
solve for 3x+9=44-2x
A shop is giving 20% discount in a sale. A shirt in the shop normally costs $60. How much does it cost in the sale?
solve for 3x+9=44-2x
A person walks 25 m west and then 45 m at the angle of 60 degrees north of east what is the magnitude of the total displacement?