Answer
$a=\sqrt 2$
Work Step by Step
We are asked to find a graph of $y=log_a(x)$ that contains the point (2,2). This implies:
$a^y=x$
$a^2=2$
$a=\sqrt 2$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.