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Technology 
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Graphing Rational Functions

Graphing (Algebra II) 
Java Applet 
Tool 

[3]

Students use their knowledge of rational functions to find critical points, holes, and asymptotes of a given function. Some feedback is provided.
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Graphs of Some Exponential and...

Exponential Functions (Algebra II)+ 
Java Applet 
Tool 

[1]

Observe the graphs of several different exponential and logarithmic functions, such as 2^x, e^x, ln(x), and log(x).
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Inflation in the USA

Direct (Algebra II) 
Java Applet 
Tool 

[0]

Compare the value of American dollars in prior years to American dollars today.
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Inverse Functions

Functions / Relations (Algebra II) 
Java Applet 
Tool 

[1]

The three applets on this page are: Oneto one or Not?, Graphs of Inverse Functions, and Inverse Functions. The first one allows students to decide if a function is onetoone, and if not, it shows a...
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Keymath: Dynamic Algebra Explo...

Direct (Algebra II) 
Java Applet 
Tool 

[1]

This JavaSketchpad sketch has a direct varation line with a slider for k. There are seven questions that guide the student through a discovery process that relates k to the slope and to the rate of c...
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Laboratory

Conic sections (Algebra II) 
Java Applet 
Tool 

[0]

When the sun moves around in the sky, the shadow cast by a vertical stick moves on the ground. The tip of the shadow traces some kind of curve. The curve depends on the observation point, and it also ...
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Linear Equation Solver

Solving systems of equations (Algebra II) 
Java Applet 
Tool 

[1]

Students can use this applet to solve a system of linear equations of up to three equations and three unknowns.
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Loan Calculator

Geometric sequences and series (Algebra II)+ 
Java Applet 
Tool 

[0]

Explore how to pay off a loan, and how interest affects payment. You can control the the frequency of the payments and the period (number of years) of payments or the amount of each payment.
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Matrices: Basic Definitions an...

Matrices (Algebra II) 
Java Applet 
Tool 

[1]

This shows users the mechanics of matrix muliplication using color coding and how each entry in the solution matrix is derived. The user can scroll down and practice multiplying matrices. After deter...
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MultiFunction Data Flyer

Curve of Best Fit (Algebra II)+ 
Java Applet 
Tool 

[0]

Enter a set of data points and a function or multiple functions, then manipulate those functions to fit those points. Manipulate the function on a coordinate plane using slider bars. Learn how each co...
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Online Grapher

Solving systems of equations (Algebra II)+ 
Java Applet 
Tool 

[1]

This Java applet can be used to graph functions using function notation. It allows zooming and rescaling.
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Online Graphing Calculator  C...

Quadratic Equations (Algebra II)+ 
Java Applet 
Tool 

[0]

This graphing calculator, written in Java programming language, has the following features:

Playing with Functions

Composition of Functions (Algebra II)+ 
Java Applet 
Tool 

[1]

Students choose one or two functions and perform a variety of operations (adjusting parameters; combining through addition, multiplication, or composition; reflecting; others possible).
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Polynomial Function Graphs

Polynomials (Algebra II) 
Java Applet 
Tool 

[0]

Students can look at graphs of degrees 0 through 5 and see the effects of changing the coefficients a, b, c, d and e on each graph by moving sliders. Allows students to see how the different cubic fu...
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Polynomial Roots Applet

Polynomials (Algebra II) 
Java Applet 
Tool 

[2]

This applet solves only the real roots of polynomial equations up to a maximum of order five. Complex number solutions are not available, however it can be included in the future if users request s...
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Polynomials and Their Order

Polynomials (Algebra II) 
Java Applet 
Tool 

[0]

Students are given 7 polynomials and asked to determine their degree (order) and drag and drop the description so that it matches the polynomial. Immediate feedback is given.
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Problem of Hyperbola

Hyperbolas (Algebra II) 
Java Applet 
Tool 

[0]

The defintion of a hyperbola is illustrated using this applet. When concentric circles are formed at each of the foci, the intersections of the circles must satisfy the constant difference.
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Proof Without Words: Completin...

Completing the square (Algebra II) 
Java Applet 
Tool 

[2]

Carry out an interactive, geometric "proof without words" for the algebraic technique of completing the square.
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Quadratic Equations 2

Completing the square (Algebra II)+ 
Java Applet 
Tool 

[1]

Choose values of p and q in the equation x^2 + px + q = 0, and see determinations of the real roots by completing the square and use of the quadratic formula as well as a graphical visualization of th...
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Quadratic Function Applet

Vertex form (Algebra II)+ 
Java Applet 
Tool 

[0]

Students graph a quadratic function in vertex form by using a, h and k sliders. The applet makes the translations, reflections and stretches very visual and clear. There are no exercises or supportin...
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Quadratic Relations: Parabola ...

Parabolas (Algebra II) 
Java Applet 
Tool 

[0]

This applet allows the user to explore the graphs of horizontal of vertical parabolas in vertex form by using sliders to adjust a, h and k. The equation changes with the change in a, h and k on the s...
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Quadratic equation visualizer

Standard form (Algebra II)+ 
Java Applet 
Tool 

[1]

Explore how the parameters in a quadratic equaiton in standard form affect the graph of the equation. Dynamically change the parameters a, b, and c and immediately see the effect on the graph. Try t...
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Radical Practice

Simplify Expressions (Algebra II) 
Java Applet 
Tool 

[1]

Practice simplifying simple square roots, square roots with numbers outside the radical, simple cube roots, and cube roots with numbers outside the root. There is no practice with variables under the...
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Rational Equations Visualizer

Horizontal shift (Algebra II)+ 
Java Applet 
Tool 

[2]

Explore how the parameters in a rational equation affect the graph of the equation. Dynamically change the parameters and immediately see how the graph changes. Undefined points are clearly visible....
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Recognize Functions 1

Graphing (Algebra II)+ 
Java Applet 
Tool 

[1]

Use your knowledge of linear and quadratic functions to match each graph with its function.
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