Math Medics
S.o.s. Math: Sign of a Quadratic Function and Inequalities
This lesson discusses the sign of a quadratic function as it applies to inequalities.
Math Medics
S.o.s. Math: Quadratic Equations
Defines root of a quadratic equation. Portrays graphically what quadratic roots look like. Tutorial includes two basic examples where roots are discovered, and links to pertinent topics elsewhere on the site and a math forum organized by...
Texas Education Agency
Texas Gateway: Quadratics: Connecting Roots, Zeros, and X Intercepts
Given a quadratic equation, the student will make connections among the solutions (roots) of the quadratic equation, the zeros of their related functions, and the horizontal intercepts (x-intercepts) of the graph of the function.
Other
Quick Math: Quadratic Equations
Complete step-by-step investigation of quadratic functions, allowing the user to input the function. Each step, from solving f(x) = 0 to graphing and finding extreme points, is covered in depth, via links for each step (requires...
Texas Education Agency
Texas Gateway: Analyzing Graphs of Quadratic Functions
Given the graph of a situation represented by a quadratic function, the student will analyze the graph and draw conclusions.
Integrated Publishing
Integrated Publishing: Maximum and Minimum Points
An explanation of how to find maximum (or minimum) point of a quadratic equation, including graphs to enhance understanding. Includes several examples/exercises, with solutions on the page.
Department of Defense
Do Dea: Algebra 1: Semester Ii: Polynomials
A learning module through which students learn about polynomials including scientific notation, adding and subtracting polynomials, multiplying polynomials, factors and greatest common factor, factoring trinomials, and special factors.
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
Cuemath
Cuemath: Quadratic Functions
Explore the world of quadratic functions in this mini-lesson. Learn about the graphs of quadratic functions, quadratic functions formula, and other interesting facts. You can also try your hand at solving a few interesting practice...
Cuemath
Cuemath: Variable Expressions
A comprehensive guide for learning all about variable expressions with definitions, types of variable expressions, solved examples, and practice questions.
Other
Quick Math: Factor Polynomials
The process of factoring is essential to the simplification of many algebraic expressions and is a useful tool in solving higher degree equations. In fact, the process of factoring is so important that very little of algebra beyond this...
Other
Quick Math: Simplify Expressions
This QuickMath resource is about how to simplify expressions. These include steps, tips and examples.
Cuemath
Cuemath: Graphing a Quadratic Function
A comprehensive guide for learning all about how to graph a quadratic function with definitions, domain and range of quadratic function, vertex form, standard form, how to solve them, solved examples, and practice questions.
Texas Instruments
Texas Instruments: Factoring and Solving Quadratic Binomials
This TI-Navigator activity allows students to review the concept of factoring and solving quadratic binomials. Includes a connection to graphical solutions.
Texas Instruments
Texas Instruments: The Standard Form of a Quadratic Equation
In this activity, students explore the standard form of a quadratic equation, y = ax 2 + bx + c. They explore how the x-intercepts (zeros), y-intercept, and vertex are related to the graph of the standard form of a quadratic function.
Texas Instruments
Texas Instruments: Quadratic Intercepts
This set of multiple choice questions asks students to find the intercepts and vertices of quadratic functions. Solutions are included.
Texas Instruments
Texas Instruments: Connecting Factors and Zeros
Students will determine if a quadratic formula is factorable, then they will factor the equation, set each factor equal to 0, and solve for x.
Texas Instruments
Texas Instruments: Mc Dougal Littell Algebra 1: Find Minimum and Maximum
Students can use the TI-84 Plus family to find the minimum or maximum and the zeros of quadratic functions.
Texas Instruments
Texas Instruments: Glencoe Algebra: Graphing Quadratic Functions in Vertex Form
Students will explore quadratic functions in vertex form.
Purple Math
Purplemath: Polynomials: Definition and Evaluation
A great lesson on polynomials is found at this Purplemath resource. Provides a clear definition of what a polynomial is, tells how to tell what the different degrees of a polynomial are, and how to simplify polynomials by combining like...
Other
Karl's Calculus Tutor: Algebra Concepts Polynomials
This site gives a brief explanation to topics that are prerequisites to studying calculus. Among these operations factoring of polynomials. Special polynomials such as conjugates and differences of squares are also mentioned.
J Coffman
Joseph Coffman's Lecture Notes: Modeling Data With Quadratics
Learners explore quadratic functions and their graphs. Vocabulary, examples, methods, and a quiz are included.
Other
Dans Math: Lessons: Intermediate Algebra
College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.
Math Planet
Math Planet: Polynomials and Radical Expressions: Simplify Expressions
How to simplify an expression is explained through the use of examples and a video lesson. [2:41]