Respuesta :

Given expression: [tex]d=\frac{1}{2} at^2[/tex].

We need to solve it for a.

First we need to get rid 2 from denominator.

In order to get rid 2 from denominator, we need to multiply both sides by 2.

Multiplying both sides by 2, we get

[tex]2\times d=2\times \frac{1}{2} at^2[/tex]

[tex]2d = at^2[/tex]

Now, dividing both sides by t^2, we get

[tex]\frac{2d}{a^2} = \frac{at^2}{a^2}[/tex]

[tex]a=\frac{2d}{a^2}[/tex].

Therefore, correct option is B option.

[tex]a=\frac{2d}{a^2}[/tex]