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# Pre-Calculus

• 26:43 Popular

### Applications Of 3 Variable Systems

by Admin Added 108 Views / 0 Likes

I work through 2 examples of solving 3 variable linear systems using the elimination method. I show how to find the equation of a parabola when you are given...

• 12:09 Popular

### Parabola Applications Maximizing Minimizing Reflectors, Etc

by Admin Added 119 Views / 0 Likes

I give examples of how parabolas apply to real life and work through two example...one about maximum height of a thrown object, and a second about maximizing...

• 21:35

### Application Of Ellipses

by Admin Added 82 Views / 0 Likes

I work through three example of Applications of Ellipses.

• 11:29 Popular

### Graphing Rational Functions Part2

by Admin Added 104 Views / 0 Likes

This rational function I graph has a horizontal asymptoto, a vertical asymptote, and a hole.

• 13:35 Popular

### Equations Of Lines And Graphing

by Admin Added 119 Views / 0 Likes

Continued discussion about equations of lines and the three equation forms. Graphing of linear functions also included.

• 18:27

### Rolle's Theorem

by Admin Added 85 Views / 0 Likes

I introduce Rolle's Theorem and work through two examples. My first diagram in my explanation of Rolle's Theorem, should have labelled function f not g.

• 10:53 Popular

### Graphical Comparison Of Function Vs Derivative Graphs

by Admin Added 123 Views / 0 Likes

I compare the sketch of a function with a sketch of it's derivative. I also explain how the derivative's graph can help you identify relative maximum and min...

• 14:30 Popular

### Modeling With Functions Part 2

by Admin Added 103 Views / 0 Likes

I continue with two more examples of Modeling with Functions which relate the area of regions with their perimeter. These type of questions will help to mast...

• 15:08

### Definite Integral As A Function Of X (Corrected)

by Admin Added 71 Views / 0 Likes

EXAMPLES at 3:09 9:01 10:37 11:36 I work through finding Definite Integrals when the upper boundary, and possibly the lower bound of the closed interval is a...

• 14:48

### Polynomial Graphs Part 2

by Admin Added 85 Views / 0 Likes

I continue my introduction of graphing polynomials without the assistance of a graphing calculator. I go over x-int&y-int, and I remind you how to determin...

• 21:35

### Linear Regression T Test And Confidence Interval Corrected

by Admin Added 100 Views / 0 Likes

I introduce the Linear Regression t test and confidence intervals for the slope of a regression line.

• 14:02 Popular

### Fundamental Trigonometric Identities Intro&Proofs

by Admin Added 114 Views / 0 Likes

I introduce and prove the Fundamental Trigonomic Identities...the Quotient Identities, Reciprocal Identities, and the Pythagorian Identities.

• 24:48

### Applications Of Law Of Sines And Cosines

by Admin Added 95 Views / 0 Likes

I do four examples to help you understand how to solve some of your word problems that require Law of Sine and/or Cosine.

• 14:59

### Equations Of Parallel And Perpendicular Lines

by Admin Added 87 Views / 0 Likes

An introduction to finding the equations of lines that pass through a point and are parallel or perpendicular to a given line.

• 19:48

### Projection Of A Vector Onto Another Vector

by Admin Added 83 Views / 0 Likes

I work through projecting a vector onto another vector in two setting: 1) When the vectors are described with magnitude and direction. 2) When the vectors ar...

• 10:11

### Trigonometric Cofunctions

by Admin Added 97 Views / 0 Likes

I introduce the concept of Cofunctions in Trigonometry and explain why and when they are equal.

• 15:35 Popular

### Factoring By Grouping

by Admin Added 116 Views / 0 Likes

I work through 4 examples of factoring expressions and solving equations using factoring by grouping.

• 11:49 Popular

### Even Odd Functions&Symmetry

by Admin Added 133 Views / 0 Likes

Definining Even and Odd functions.

• 12:35

### Complex Numbers In Polar Form

by Admin Added 92 Views / 0 Likes

I explain the relationhip between complex numbers in rectangular form and polar form. I also do an example of converting back and forth between the two forms.

• 13:54

### Evaluating Trig Functions W/ Unit Circle Degrees&Radians

by Admin Added 90 Views / 0 Likes

I go over many example of evaluating trigonometry functions in exact form using the unit circle.

• 13:39 Popular

### Standard Position Angles&Radians Part 1

by Admin Added 118 Views / 0 Likes

Part 1 of 2. I introduce Standard Position Angles, Define Coterminal Angles, Quadrantal Angles, and the Radian Measure.

• 23:00 Popular

### Basic Differentiation Rules

by Admin Added 110 Views / 0 Likes

NOTE: I forgot a minus sine in the Sum and Difference rules. The right side should read f'(x)+or-g'(x). An annotation correction is in the video, but not vis...

• 17:51 Popular

### Intro To Sequences

by Admin Added 106 Views / 0 Likes

I introduce the concept and notation for sequences and finish with a couple of graphing examples. I then explain recursive formulas and do another 2 examples...

• 10:49 Popular

### Factoring Overview

by Admin Added 119 Views / 0 Likes

I go over some common method of factoring binomials and trinomials.