eggy/highschool
1
0
Fork 0
mirror of https://gitlab.com/magicalsoup/Highschool.git synced 2025-01-23 16:11:46 -05:00
Code Issues Releases Wiki Activity

Update Unit 2: Quadratic Equations 2.md

Browse Source
This commit is contained in:
James Su 2020-01-13 15:08:25 +00:00
parent afab8be7f2
commit 62682cbe8e
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 2.md
View File

@ -32,11 +32,10 @@ When $`h = 0`$, the ball hits ground, so:
$`-3.2t^2 + 12.8 + 1 = 0`$
$`t = \dfrac{12.8 \pm \sqrt{151.04}}{6.4}`$
$`t = \dfrac{12.8 \pm \sqrt{176.64}}{6.4}`$
$`\because t \ge 0`$
$`\therefore t = \dfrac{12.8 \pm \sqrt{176.64}}{6.4}`$
$`\therefore t \approx 4.1`$