Math 125 Spring 2018

Unit 12

Solving equations that are quadratic

How to factor the sum of two cubes, difference of two cubes, and difference of two squares

examples of factoring 4th power polynomials

4 factoring examples

12.1 17

 

 

Simplifying rational expressions(12.1)

Multiplying rational expressions(12.1)

Simplifying complex fractions(12.3)

Solving equations containing fractions(12.4)

Introduction to Variation(12.5)

Examples of variation(12.5)

work example 4 on hand out

work example 5 on hand out

Uniform motion ex 10 on hand out

 

Unit 13

13.4 solving equations containing radicals

13.5 a Simplifying radicals with exponents

13.5 B  back and forth between exponents and radicals

 

Unit 14

14.1 A Solving quadratics by factoring

14.1 B Solving quadratics by taking square roots

14.2 A Solving quadratics by completing the square

14.3A Solving quadratics by using the quadratic formula

 

Examples of solving equations that have radicals  14.6

examples of completing the square

Application problems out 14.4

A general video about 14.4

ex 2 on 14.4    

ex 10 on 14.4  

ex 21 of 14.6A    

ex 8 on 14.4     

 

 

 

Unit 16

Introduction to exponential functions

What is a logarithmic function?

Start on your notes for 16.1

16.5 notes

compound interest ex 1

compound interest ex 2

Graphing exponential functions

Graphing log functions

expanding and condensing log equations

Testing data sets for functions

Unit 17

15.2 notes part 1

15.2 notes part 2

15.2 notes part 3

 

How to sketch a graph of a hyperbola centered at origin

How to sketch a graph of an ellipse centered at origin

 

Unit 18

Introduction to sequences and series

Sequence examples video 1

How to find the nth term of a sequence

Finding the sum of a sequence video 3

How to write a sequence in expanded form

How to find the nth term in a arithmetic sequence video 4

How to find the number of terms in an arithmetic sequence video 4.5

Finding the sum of an arithmetic sequence video  video 5

Finding the sum of an arithmetic sequence video 6

Finding the sum of an arithmetic sequence video 7

Applications using arithmetic sequences

Applications using arithmetic sequences vid 2

Introduction to Geometric Series

How to find the nth terms of a geometric sequence

How to find the sum of a geometric sequence

More examples of finding the some of geometric sequence

How to find the sum of an infinite geometric sequence

More examples of how to find the sum of an infinite geometric sequence

Application examples for geometric sequences

Application examples for geometric sequences vid 2

 

Unit 19

2.2 vid 1

2.2 vid 2

2.2 vid 3

2.3 vid 4

 

2.3 vid 1

2.3 vid 2

2.3 vid 3

2.3 vid 4

2.3 vid 5

2.3 vid 6

2.3 vid 7

2.6 vid 1

 

Calculating combinations

Exam review for chapter 18

 

Unit 19

Algebra of functions vid 1

Algebra of functions vid 2

Algebra of functions vid 3

Compositions of functions vid 1

Compositions of functions vid 2

Evaluating functions vid 1

Graph transformations vid 1

Tests for symmetry vid 1

Test for even versus odd vid 1

Unit 20

Regression vid 1

Regression vid 2

Final exam review vid 1