From: Andrew Lorimer <andrew@lorimer.id.au>
Date: Thu, 31 Jan 2019 23:01:14 +0000 (+1100)
Subject: minor corrections to polynomials notes
X-Git-Tag: yr12~269
X-Git-Url: https://git.lorimer.id.au/notes.git/diff_plain/80fa4f8c5efaf3e4f4c1ac719831ae363f64dd7a?ds=sidebyside

minor corrections to polynomials notes
---

diff --git a/methods/polynomials.md b/methods/polynomials.md
index 02dc629..a8b56af 100644
--- 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)
 
-- 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 ($ad-bc \ne 0$).  
-Or use `det` on CAS.
\ No newline at end of file
+Or use Matrix -> `det` on CAS.
\ No newline at end of file