Question 11150
You would use the caret (^) to indicate an exponent.

x^2 means x squared.
y^5 means y to the fifth power.

In your problem, you would write:  ax^2(h) = y

{{{ax^2(h) = y}}} Divide both sides by {{{x^2(h)}}}

{{{a = y/(x^2(h))}}}