Solve for $\displaystyle {x}$ using the square root property.

$\displaystyle {4}{x}^{{2}}={13}$

$\displaystyle {x}=$Preview Question 6  

Entry Tip: Do not use a decimal approximation for square roots. To enter a number like $\displaystyle {5}\sqrt{{{7}}}$, type 5*sqrt(7). Preview your answer before submitting!

Furthere Tip: Write your answers as a list, with your answers separated by (a) comma(s). For example, if you get $\displaystyle {4}$ and $\displaystyle -\frac{{2}}{{3}}$ as your answers, then enter 4,-2/3 in the box.