From 4aec1d9883767f26972f88b2e3b1c483b4eaf956 Mon Sep 17 00:00:00 2001 From: arc Date: Sun, 2 Feb 2025 17:55:30 -0700 Subject: [PATCH] vault backup: 2025-02-02 17:55:30 --- education/math/MATH1210 (calc 1)/Derivatives.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/education/math/MATH1210 (calc 1)/Derivatives.md b/education/math/MATH1210 (calc 1)/Derivatives.md index 439e1a5..ad4e4be 100644 --- a/education/math/MATH1210 (calc 1)/Derivatives.md +++ b/education/math/MATH1210 (calc 1)/Derivatives.md @@ -17,7 +17,8 @@ The above formula can be used to find the *derivative*. This may also be referre # Point Slope Formula (Review) $$ y - y_1 = m(x-x_1) $$ -Given that $m = f'(a) +Given that $m = f'(a)$ and that $(x_1, y_1) = (a, f(a))$, you get the equation: +$$ y - f(a) = f'(a)(x - a) # Line Types ## Secant Line