happyaccidents101
happyaccidents101 happyaccidents101
  • 02-12-2020
  • Mathematics
contestada

Solve (2x – 1)2 = 9.
Question 19 options:

A)

x = –2, 1

B)

x = 2, 1

C)

x = 2, –1

D)

x = –2, –1

Respuesta :

Hailinemaster
Hailinemaster Hailinemaster
  • 02-12-2020
C because you would need to simplify the xy to the equation :)
Answer Link
kimayahgbkkgcgh
kimayahgbkkgcgh kimayahgbkkgcgh
  • 02-12-2020
Take the square root of each side of the equation to set up the solution for
x
x
(
2
x
−
1
)
2
⋅
1
2
=
±
√
9
(
2
x
-
1
)
2
⋅
1
2
=
±
9
Remove the perfect root factor
2
x
−
1
2
x
-
1
under the radical to solve for
x
x
.
2
x
−
1
=
±
√
9
2
x
-
1
=
±
9
Simplify the right side of the equation.
Tap for more steps...
2
x
−
1
=
±
3
2
x
-
1
=
±
3
The complete solution is the result of both the positive and negative portions of the solution.
Tap for more steps...
x
=
2
,
−
1
Answer Link

Otras preguntas

What are some behavioral adaptations for a porcupines?
Solve for y.8^3-3y=256^4y
estimate for 412*5.904/0.195any one knw the estimate for this and how to work it out
the area of Alicia's garden is 81 square feet. what are the dimensions of her garden?
if a baking tray is 700mm by 600mm, how many of 25cm in diameter can fit into the baking tray?
At the start of "The Necklace," why does Mathilde's husband go through "great trouble" to get an invitation to the ball?
What Is Ethane? Can you help me?
Is sky an abstract noun??? X
estimate for 412*5.904/0.195any one knw the estimate for this and how to work it out
a spinner is divided into 8 equal sections. 5 sections are red and 3 are green. if the spinner is spun 3 times, what is the probability that it lands on red exa