Taught by Professor James A. Sellers | 31 min | Categories: The Great Courses Plus Online Mathematics Courses

As the number of variables increases, it becomes unwieldy to solve systems of linear equations by graphing. Learn that these problems are not as hard as they look and that systems of three linear equations often yield to the strategy of successively eliminating variables.

## 36 Lectures

1

An Introduction to Algebra II

0 of 31 min

2

Solving Linear Equations

0 of 31 min

3

Solving Equations Involving Absolute Values

0 of 31 min

4

Linear Equations and Functions

0 of 29 min

5

Graphing Essentials

0 of 28 min

6

Functions—Introduction, Examples, Terminology

0 of 30 min

7

Systems of 2 Linear Equations, Part 1

0 of 29 min

8

Systems of 2 Linear Equations, Part 2

0 of 30 min

9

Systems of 3 Linear Equations

0 of 31 min

10

Solving Systems of Linear Inequalities

0 of 29 min

11

An Introduction to Quadratic Functions

0 of 32 min

12

Quadratic Equations—Factoring

0 of 31 min

13

Quadratic Equations—Square Roots

0 of 31 min

14

Completing the Square

0 of 30 min

15

Using the Quadratic Formula

0 of 30 min

16

Solving Quadratic Inequalities

0 of 30 min

17

Conic Sections—Parabolas and Hyperbolas

0 of 31 min

18

Conic Sections—Circles and Ellipses

0 of 31 min

19

An Introduction to Polynomials

0 of 32 min

20

Graphing Polynomial Functions

0 of 30 min

21

Combining Polynomials

0 of 33 min

22

Solving Special Polynomial Equations

0 of 32 min

23

Rational Roots of Polynomial Equations

0 of 31 min

24

The Fundamental Theorem of Algebra

0 of 31 min

25

Roots and Radical Expressions

0 of 31 min

26

Solving Equations Involving Radicals

0 of 31 min

27

Graphing Power, Radical, and Root Functions

0 of 31 min

28

An Introduction to Rational Functions

0 of 31 min

29

The Algebra of Rational Functions

0 of 31 min

30

Partial Fractions

0 of 30 min

31

An Introduction to Exponential Functions

0 of 30 min

32

An Introduction to Logarithmic Functions

0 of 31 min

33

Uses of Exponential and Logarithmic Functions

0 of 29 min

34

The Binomial Theorem

0 of 31 min

35

Permutations and Combinations

0 of 32 min

36

Elementary Probability

0 of 33 min

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