Derivative Using Difference Quotient

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How to find the Derivative Using Difference Quotient in this free math video tutorial by Mario's Math Tutoring. We discuss what a derivative is and how it relates to the slope of the tangent line as well as we go through two examples.

0:30 What is a Derivative
1:45 Slope Formula
2:36 Notation of a Derivative
2:56 Formula for the Difference Quotient
4:07 Example 1 f(x)=2x-3 Finding the Derivative
5:53 Example 2 f(x)=x^2 + 2x Finding the Derivative
8:23 Using the Derivative to Find the Slope Along the Graph

Related Videos:

More Difference Quotient Examples

Finding the Equation of the Tangent Line Using Difference Quotient

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Mario out here back at it again saving my calc grade

keithnama
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Used to watch your videos for trig with lots of confusion, now im in calc 1 and I think you are one of the clearest instructors on yt

SunRapMc
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I tried to understand text book alone but i just confused with the formula how it came about but after watching your video, so clear, no questions asked ..in the future i would recommend people to visit this channel ❤❤❤thank u

kuoljoshuaguet
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You are great at explaining everything so it makes sense! Thanks for the help!

jacobporter
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Thank you sir ! It helps me a lot for my study about derivatives😇 God bless you 😇 Greetings from: Philippines

jeremeasilum
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college is a joke. A youtube video can explain something with so much more clarity than a class i swear.

rjczr
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I am having difficulty finding the videos specifically to Calculus videos, so I was wondering if there's a website, where I can find a list of videos under Calculus
Kristy

kristywilday
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i have a question, why do we use this to find the derivative? why cant we calculate it straight away? this seems like way more effort to find the derivative

jaadd
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Can someone please explain why 0 is substituted for H at 6:59, thanks in advance

igorm
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Thank you helped me a lot Calc at Rutgers Sucks !!!!

islamelgarhi