This is the second part (questions 11-20) of the solutions of the Grade 9 MTAP 2015 Elimination Questions. The first part can be read **here**.

Although reasonable care has been given to make the solution accurate as possible, the solver is also human. Please comment below if you see any errors.

**11.)** If , solve for in .

**Solution**

Multiplying both sides by , we obtain

Squaring both sides of the equation, we get

.

Factoring, we have

So, or .

But from the given above, , so the only solution is

**Answer: 9/4 ** Continue reading