If t>0 and t^2-4=0, what is the value of t?

Nov 1, 2016

$t = 2$

Explanation:

Since we are told that $t > 0$, we know that $t$ is a positive integer.

${t}^{2} - 4 = 0$

Add $4$ to each side.

${t}^{2} = 4$

Determine the square root of both sides.

$t = \sqrt{4}$

$t = 2$