minor corrections to polynomials notes

diff --git a/methods/polynomials.md b/methods/polynomials.md
index 02dc6299544a4a34c80e1cd128e089d3ba271bf3..a8b56af1c7eea954695cedcfb73b0b0fc2fc74c1 100644 (file)
--- a/methods/polynomials.md
+++ b/methods/polynomials.md
@@ -55,9 +55,9 @@ Equations with multiple pronumerals. Solutions are expressed in terms of pronume
 
 ## Simultaneous equations (linear)
 
 
 ## Simultaneous equations (linear)
 

-- Unique solution - lines intersect at point
-- Infinitely many solutions - lines are equal
-- No solution - lines are parallel
+- **Unique solution** - lines intersect at point
+- **Infinitely many solutions** - lines are equal
+- **No solution** - lines are parallel

 
 Solving in matrix form - use inverse $A^{-1}= {1 \over {ad-bc}}\begin{bmatrix}d & -b \\ -c & a\end{bmatrix}$. $A^{-1}$ exists for infinite solutions or no solutions ($ad-bc=0$), does not exist for unique solutions ($ad-bc \ne 0$).  
 
 Solving in matrix form - use inverse $A^{-1}= {1 \over {ad-bc}}\begin{bmatrix}d & -b \\ -c & a\end{bmatrix}$. $A^{-1}$ exists for infinite solutions or no solutions ($ad-bc=0$), does not exist for unique solutions ($ad-bc \ne 0$).  

-Or use `det` on CAS.
\ No newline at end of file
+Or use Matrix -> `det` on CAS.
\ No newline at end of file