Respuesta :

Anonymouslizard

Answer:

Step-by-step explanation:

What is the value of x, when 3x2 = 18 3 4 ?

A) x = ±1 1 2

B) x = ±2 1 2

C) x = ±3 1 8

D) x = ±4 1 3

fichoh

Solving for x in the equation given, the value of x is ±2 1 2 ; ±2.5

Given the expression :

  • 3x² = 18 3/4

3x² = 18.75

Divide both sides by 3

3x²/3 = 18.75 / 3

x² = 6.25

Take the square root of both sides

x = √6.25

x = 2.5

Therefore, the value of x in the expression is ±2 1/2

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