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Taught by Professor James A. Sellers | 30 min | Categories: Mathematics
When other approaches fail, one tool can solve every quadratic equation: the quadratic formula. Practice this formula on a wide range of problems, learning how a special expression called the discriminant immediately tells how many real-number solutions the equation has....
36 Lectures
1
An Introduction to Algebra II
0
of 32 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 29 min
6
Functions-Introduction, Examples, Terminology
0
of 31 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 32 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 32 min
18
Conic Sections-Circles and Ellipses
0
of 32 min
19
An Introduction to Polynomials
0
of 32 min
20
Graphing Polynomial Functions
0
of 31 min
21
Combining Polynomials
0
of 34 min
22
Solving Special Polynomial Equations
0
of 32 min
23
Rational Roots of Polynomial Equations
0
of 32 min
24
The Fundamental Theorem of Algebra
0
of 32 min
25
Roots and Radical Expressions
0
of 32 min
26
Solving Equations Involving Radicals
0
of 31 min
27
Graphing Power, Radical, and Root Functions
0
of 32 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 32 min
33
Uses of Exponential and Logarithmic Functions
0
of 30 min
34
The Binomial Theorem
0
of 31 min
35
Permutations and Combinations
0
of 32 min
36
Elementary Probability
0
of 34 min
