From 4f1eba657670f68a410fa3ab5477994c361591d5 Mon Sep 17 00:00:00 2001
From: Randell Dawson <5313213+RandellDawson@users.noreply.github.com>
Date: Wed, 13 Mar 2019 13:48:10 -0700
Subject: [PATCH] fix: changed it to is (#35134)

---
 guide/english/mathematics/3-by-3-determinants/index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guide/english/mathematics/3-by-3-determinants/index.md b/guide/english/mathematics/3-by-3-determinants/index.md
index a0207612d8..0dff4ba323 100644
--- a/guide/english/mathematics/3-by-3-determinants/index.md
+++ b/guide/english/mathematics/3-by-3-determinants/index.md
@@ -68,7 +68,7 @@ For example, consider the following matrix, which we will call B:
 <pre><em>det(B) = (-41) - 100 - 90 = -231</em></pre>
 
 ### Method 2 - Sarrus's Rule
-This method it similar to 2 by 2 determinants, and based on opertations with diagonals
+This method is similar to 2 by 2 determinants, and based on opertations with diagonals
 Again, consider the following matrix, which we will call A:
 
 <table>