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Videos uploaded by user “MySecretMathTutor”
Calculus - Introduction to Calculus
 
04:11
This video will give you a brief introduction to calculus. It does this by explaining that calculus is the mathematics of change. A couple of examples are presented, and then limits, derivatives, and integrals are introduced. For more videos please visit http://www.mysecretmathtutor.com
Views: 289526 MySecretMathTutor
Pre-Calculus - Using Descartes rule of signs
 
04:13
This video shows how to use Descartes rule of signs to determine the number of possible positive and negative zeros. Remember that this comes from looking at the sign changes, but that it can actually be less that that, by an even number. For more videos, please visit http://www.mysecretmathtutor.com
Views: 203286 MySecretMathTutor
Statistics - Find the z score
 
02:07
This example shows how to find the z-score for a data point. Remember that the z-score tells you how many standard deviations away from the mean a particular point lies. For more videos please visit http://www.mysecretmathtutor.com
Views: 651465 MySecretMathTutor
Statistics - How to make a box and whisker plot with a calculator (Ti-83/84)
 
03:20
This video shows how you can make a box and whisker plot using your Ti-83 or Ti-84 graphing calculator. Remember that the calculator has two types of box and whisker plots. One that has outliers, and one that does not. For more videos please visit http://www.mysecretmathtutor.com
Views: 36701 MySecretMathTutor
Statistics - How to make a stem and leaf plot
 
03:15
This example shows how to make a stem and leaf plot. Remember that the leading values become our stems and the trailing values the leaves. There also may be more than one way to represent a stem and leaf plot. For more videos visit http://www.mysecretmathtutor.com
Views: 513373 MySecretMathTutor
Pre-Calculus - Find the linear regression line using the TI-83/84 calculator
 
04:35
This video shows how to find the linear regression line using either a TI-83 or 84 calculator. Remember that if you do not see r squared or r, then you need to turn diagnostics on. For more videos visit http://www.mysecretmathtutor.com
Views: 263527 MySecretMathTutor
Statistics - Compute the interquartile range
 
02:29
This video shows how to compute the interquartile range for a set of data. Remember to reorganize the data so that you can find the median values easier. For more videos visit http://mysecretmathtutor.com
Views: 252135 MySecretMathTutor
Pre-Calculus - How to make a scatter plot using the TI-83/84 calculator
 
02:55
This video shows how you can use your TI-83 or TI-84 graphing calculator to make a scatter plot. Remember that you may have to adjust the plot options and window in order to properly see you scatter plot. For more videos, please visit http://www.mysecretmathtutor.com
Views: 88425 MySecretMathTutor
Pre-Calculus - How to divide polynomials using long division
 
08:44
This video shows a few of examples of dividing polynomials using long division. Remember that the process looks just like the process for dividing numbers. Always use parenthesis and subtract away carefully. For more videos please visit http://www.mysecretmathtutor.com
Views: 460762 MySecretMathTutor
Calculus - Find the limit of a function using epsilon and delta
 
07:40
This video shows how to use epsilon and delta to prove that the limit of a function is a certain value. This particular video uses a linear function to highlight the process and make it easier to understand. Later videos take care of more complicated functions and using epsilon and delta with them. For more videos visit http://www.mysecretmathtutor.com
Views: 163544 MySecretMathTutor
Pre-Calculus - Evaluate the difference quotient
 
03:50
This video explains how to evaluate the difference quotient, and simplify it. Remember to put parentheses around the function that is being subtracted, so you do not lose any negative signs. For more videos please visit http://www.mysecretmathtutor.com
Views: 120004 MySecretMathTutor
Statistics - How to make a histogram using the TI-83/84 calculator
 
04:50
This video shows how to make a histogram using the TI-83 or TI-84 calculator. Remember to set your window and plot options before graphing the data. For more videos visit http://www.mysecretmathtutor.com
Views: 130940 MySecretMathTutor
Statistics - How to find outliers
 
04:45
This video covers how to find outliers in your data. Remember that an outlier is an extremely high, or extremely low value. We determine extreme by being 1.5 times the interquartile range above Q3 or below Q1. For more videos visit http://www.mysecretmathtutor.com
Views: 397555 MySecretMathTutor
Statistics - Find the variance
 
03:47
This video shows how to find the variance for a set of data. Take note that there are two formulas. One formula is used if the data represents a population. The other is if the data represents a sample. For more videos please visit http://www.mysecretmathtutor.com
Views: 259224 MySecretMathTutor
Pre-Calculus - Find the Inverse of a Function
 
02:33
This video gives an example on how to find the inverse of a function. To find more videos please visit www.mysecretmathtutor.com
Views: 82386 MySecretMathTutor
Pre-Calculus - Determine if a function is even or odd
 
06:45
This video will help you decide if a function is even, odd, or neither. Remember you can view this from the graph, or apply an algebraic test. For more videos please visit http://www.mysecretmathtutor.com
Views: 68270 MySecretMathTutor
Statistics - Compute the interquartile range using the TI-83/84 calculator
 
02:30
This video shows how to use the TI-83 or TI-84 calculator to find the values of Q1 and Q3. These values are then subtracted to find the interquartile range. For more videos please visit http://www.mysecretmathtutor.com
Views: 64218 MySecretMathTutor
Statistics - Making a scatter plot using the Ti-83/84 calculator
 
04:48
This video will show you how to make a scatter plot using the Ti-83 or Ti-84 graphing calculator. Remember if you have extra functions on the screen you can shut them off by going into your y= screen. For more videos please visit http://www.mysecretmathtutor.com
Views: 42542 MySecretMathTutor
Calculus - How to find limits with infinity using the graph
 
03:26
In this video I'll show you how to find the value of limits that involve infinity by looking at key features in their graph. Remember to look closely at what side you are approaching some values, as it makes a huge difference in what your function is doing. For more videos please visit http://www.mysecretmathtutor.com
Views: 38030 MySecretMathTutor
Calculus - How to find the derivative of a function using the power rule
 
05:21
This video shows how to find the derivative of a function using the power rule. Remember that this rule only works on functions of the form x^n where n is not equal to zero. For more videos please visit http://www.mysecretmathtutor.com
Views: 89222 MySecretMathTutor
Pre-Calculus - Find the linear regression line using the TI-89 calculator
 
06:54
This example shows how to find the linear regression line using the TI-89 graphing calculator. Pay close attention to the correct buttons and the menus, as it can be a bit tricky to navigate. For more videos visit http://www.mysecretmathtutor.com
Views: 43895 MySecretMathTutor
Statistics - How to make a box and whisker plot
 
06:12
This video covers how to make a box and whisker plot with outliers. For these types of plots often you must gather lots of information about the data. In a nutshell the box and whisker plot marks out key values about the data. For more videos visit http://www.mysecretmathtutor.com
Views: 129791 MySecretMathTutor
Calculus - The limit of a function
 
04:56
This video covers the limit of a function. The focus is on the behavior of a function an what it is approaching. Remember this is not the same as where the function actually ends up. Watch for an example of this. Did you find this video helpful and want to find even more? See all of the subjects available and stay up to date with the newest videos at: http://www.MySecretMathTutor.com This video is related to many other topics. Check them out. The limit of a function basis: https://youtu.be/vARHnOJ8fMg Estimate a limit using a calculator: https://youtu.be/eGEW67LdpRE The laws of limits: https://youtu.be/UiUBJxjnApQ You can make MySecretMathTutor even better by contributing community subtitles. http://www.youtube.com/timedtext_cs_panel?c=UCcBOg_7QmpJFlIVMYDyUhaw&tab=2 Have an idea for a future video? Send me a message! http://www.mysecretmathtutor.com/contact-me.html Follow us on Facebook: https://www.facebook.com/pg/My-Secret-Math-Tutor-177258548991955/about/
Views: 32291 MySecretMathTutor
Pre-Calculus - Converting between decimals and degrees minutes and seconds
 
05:05
This video will show you how to convert an angle written as a decimal into one written in degrees minutes and seconds. It will also show how to convert from degrees minutes and seconds, back into a decimal. Remember that 1 degree is equal to 60 minutes, or 3600 seconds. For more videos visit http://www.mysecretmathtutor.com
Views: 179873 MySecretMathTutor
Pre-Calculus - Find the vertex of a quadratic function using the vertex formula
 
02:52
This video shows how to use the vertex formula to find the vertex of a quadratic function. Remember that -b/(2a) finds the x coordinate of the vertex. This value must be plugged back in to find the y coordinate. For more videos please visit http://www.mysecretmathtutor.com
Views: 72442 MySecretMathTutor
Calculus - The basic rules for derivatives
 
09:46
This video will give you the basic rules you need for doing derivatives. This covers taking derivatives over addition and subtraction, taking care of constants, and the natural exponential function. Check out my other videos for more complex rules. For more videos please visit http://www.mysecretmathtutor.com
Views: 629514 MySecretMathTutor
Calculus - Find the average rate of change of a function on
 
02:26
This video covers how to find the average rate of change of a function over some interval. For more videos visit http://www.mysecretmathtutor.com
Views: 138682 MySecretMathTutor
Calculus - Use the sandwich theorem to find the limit
 
03:17
This video shows an example of using the sandwich theorem to find the limit of a function. This theorem is also called the squeeze theorem. For more videos visit http://www.mysecretmathtutor.com
Views: 58634 MySecretMathTutor
Pre-Calculus - Find the composition of two functions
 
02:27
This video explains how to find the composition of two functions. When finding the composition it's a good idea to use the alternate notation so you can clearly see which function is on the inside, and which function is on the outside. For more videos please visit http://www.mysecretmathtutor.com
Views: 20528 MySecretMathTutor
Statistics - Find the weighted mean
 
03:48
This video covers how to find the weighted mean for a set of data. Remember that each data point is multiplied by a given weight, and then divided by the total weight. for more videos visit http://mysecretmathtutor.com
Views: 205170 MySecretMathTutor
Pre-Calculus - How to find the slant asymptote of a rational function
 
03:09
This example shows how to find the slant asymptote for a rational function. Remember that a rational function will only have a slant asymptote if the top polynomial Is one degree larger than the bottom polynomial. For more videos please visit http://www.mysecretmathtutor.com
Views: 88387 MySecretMathTutor
Pre-Calculus - Identify where a function is increasing decreasing or constant from the graph
 
05:24
This video will give you the tools to describe where a function is increasing, decreasing, or staying constant. Remember that we describe these things using intervals of x-values. For more videos visit http://www.mysecretmathtutor.com
Views: 65783 MySecretMathTutor
Statistics - How to make a relative frequency distribution
 
04:38
This video covers how to make a relative frequency distribution chart. Remember that in a relative frequency distribution we scale back the frequency using the total frequency. Depending on rounding, the total relative frequency might not be one, but should be very close. For more videos please visit http://www.mysecretmathtutor.com
Views: 310034 MySecretMathTutor
Pre-Calculus - Find the zeros of a function using the TI-83/84 calculator
 
04:32
This example shows how you can use your TI-83/84 graphing calculator to find the zeros of a function. Remember to adjust you window for a good view of the graph. For more videos please visit http://www.mysecretmathtutor.com
Views: 93078 MySecretMathTutor
Pre-Calculus - Graphing a piecewise function
 
06:26
This video shows how to graph a piecewise function. Remember to first look at the behavior of the pieces, then put them on their appropriate intervals. For more videos please visit http://www.mysecretmathtutor.com
Views: 214798 MySecretMathTutor
Calculus - Understanding Implicit Differentiation
 
07:48
Implicit differentiation can be a tricky subject, but the key is understanding the chain rule that is happening in the background. This video will help you understand what is happening so you can tackle implicit differentiation with ease. For more videos please visit http://www.mysecretmathtutor.com
Views: 25647 MySecretMathTutor
Statistics - Compute the interquartile range (2)
 
01:57
This example shows how to compute the interquartile range for a set of data. Remember that if there is no middle number, to take the average of the two middle numbers.
Views: 47977 MySecretMathTutor
Basic Math - How to divide integers
 
02:42
This video shows how to divide two integers. Remember that the answer will be positive if they are the same sign. The answer will be negative if they are different in sign. For more videos please visit http://www.mysecretmathtutor.com
Views: 42884 MySecretMathTutor
Pre-Calculus - Applying stretching and shrinking transformations
 
07:58
This video will show how to apply both stretching and shrinking transformations on a function. These are applied to the square root function and the squaring function. Pay close attention to if it is an inside or outside transformation to tell if the x or y values are effected for "key" points. For more videos please visit http://www.mysecretmathtutor.com
Views: 45165 MySecretMathTutor
Statistics - Using the 2^k rule to determine the number of classes
 
06:22
This video covers how to use the "2^k" rule to determine the number of classes for a frequency distribution. Remember when determining the width of your classes to round up to the nearest whole integer. For more videos please visit http://www.mysecretmathtutor.com
Views: 71232 MySecretMathTutor
Statistics - How to make a frequency distribution
 
02:43
This video covers how to make a frequency distribution chart. Remember that the frequency simply shows how often a data point is on you list. For more videos visit http://mysecretmathtutor.com
Views: 257234 MySecretMathTutor
Calculus - Estimate a limit using a TI-83/84 calculator
 
05:24
This video shows how you can use your TI-83/84 graphing calculator to estimate the limit of a function. For more videos visit http://www.mysecretmathtutor.com
Views: 127080 MySecretMathTutor
Pre-Calculus How to graph a rational function
 
08:11
This example problem covers how you can graph a rational function. A table is used to organize all the useful information. For more videos visit http://www.mysecretmathtutor.com
Views: 47991 MySecretMathTutor
Calculus - The chain rule for derivatives
 
07:09
The chain rule can be a tricky rule in calculus, but if you can identify your outside and inside function you'll be on your way to doing derivatives like a pro! Remember to put the inside function into the derivative of the outside function, then multiply by the derivative of the inside.
Views: 122388 MySecretMathTutor
Calculus - Finding the derivative of a function using limits
 
04:36
This video will show you how to find the derivative of a function using limits. Remember that later on we will develop short cuts for finding derivatives so we will not always have to use the limit definition. For more videos please visit http://www.mysecretmathtutor.com
Views: 29883 MySecretMathTutor
Calculus - How to do logarithmic differentiation
 
08:27
Logarithmic differentiation sounds like a complicated process, but its actually a powerful way to make finding the derivative easier. They key to doing this is to use the laws of logarithms, along with our other derivative rules. Check out this video on some great tips and two quick examples. For more videos please visit http://www.mysecretmathtutor.com
Views: 57585 MySecretMathTutor
Pre-Calculus - How to condense logarithms using the laws of logarithms
 
03:02
This example shows how the laws of logarithms can be used to condense multiple logs into a single log. Remember that in order to apply these laws, they must all have the same base. For more videos please visit http://www.mysecretmathtutor.com
Views: 40231 MySecretMathTutor
Pre-Calculus - Find the zeros of a quadratic function
 
02:37
This video describes how to find the zeros of a quadratic function. Remember that we basically want to know what values of x will make our function equal zero. For more videos please visit http://www.mysecretmathtutor.com
Views: 76673 MySecretMathTutor
Statistics - Find the mode for a set of data
 
01:48
This video shows how you can find the mode for a set of data. Remember that the mode is the data point that shows up the most often. Sometimes you have two data points that occur the most often, and it is known as bi-modal. for more videos please visit http://www.mysecretmathtutor.com
Views: 66712 MySecretMathTutor
Basic Math - How to multiply integers
 
02:29
This video shows how to multiply integers together. Remember that the answer will be positive if they are the same sign. The answer will be negative if they are different in sign. For more videos please visit http://www.mysecretmathtutor.com
Views: 49813 MySecretMathTutor

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