diff --git a/Grade 9/Math/MPM1DZ/Final_Exam_Study_Sheet.md b/Grade 9/Math/MPM1DZ/Final_Exam_Study_Sheet.md
index 0b78b55..c1e3b15 100644
--- a/Grade 9/Math/MPM1DZ/Final_Exam_Study_Sheet.md
+++ b/Grade 9/Math/MPM1DZ/Final_Exam_Study_Sheet.md
@@ -84,7 +84,7 @@
- a and b are the two legs of the triangle or two sides that form a 90 degree angle of the triangle, c is the hypotenuse
- $`a^2+b^2=c^2`$
--
+-
## Operations with Rationals
- $`Q = \{ \frac{a}{b} |a, b \isin \mathbb{Z}, b \neq 0 \}`$