From afab8be7f2c95c12652da887d4b634badca79b39 Mon Sep 17 00:00:00 2001 From: James Su Date: Mon, 13 Jan 2020 15:00:50 +0000 Subject: [PATCH] Update Unit 2: Quadratic Equations 2.md --- .../Unit 2: Quadratic Equations 2.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 2.md b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 2.md index 3184495..3da9769 100644 --- a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 2.md +++ b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 2.md @@ -36,11 +36,11 @@ $`t = \dfrac{12.8 \pm \sqrt{151.04}}{6.4}`$ $`\because t \ge 0`$ -$`\therefore t = \dfrac{12.8 \pm \sqrt{151.04}}{6.4}`$ +$`\therefore t = \dfrac{12.8 \pm \sqrt{176.64}}{6.4}`$ -$`\therefore t \approx 3.9`$ +$`\therefore t \approx 4.1`$ -The ball will strike the ground at approximately $`3.9`$ seconds. +The ball will strike the ground at approximately $`4.1`$ seconds. ### Question 5 a)