Determine whether pairs of exponential expressions are equivalent.

Given the explicit formula of a geometric sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the explicit formula of an arithmetic sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram respond in real time. Relate the...

Slope-intercept form of a line is shown in formulas and examples with this Purplemath lesson. There are examples of slope-intercept with the slope and a point and with two points. Includes interactive widgets for exploring concepts.

The interactive resource investigates slope and intercept. Students adjust the sliders to control the slope (m) and the intercept (b) of the line. The equation and the line will change accordingly. Learners can also drag the origin.

Given algebraic, tabular, or graphical representations of linear functions, the student will determine the intercepts of the graphs and the zeros of the function.

Explains what each of these types of energy is and provides examples.

Thorough overview of this less common form of arthritis. Includes information on symptoms, treatment, prevention, and much more.

An excellent set of resources on slavery and the slave trade. Looks at artists' perceptions, interviews with historians and others, the Transatlantic Slave Trade, trade in the Indian Ocean, resistance and abolition, trade in the...

The thymus gland is responsible for the production of T-lymphocytes. Although cancer in this gland is rare, it can affect people of any age. This comprehensive site delves into symptoms, diagnosis, and treatment of this rare form of cancer.

This site gives instructions for completing a purchase requisition form in a real-life purchases system. You may also click on the underlined words "Purchase Requisition Form" to see an actual illustration of a purchase requisition form.

In this interactive feature, you'll get the chance to form your own political party and try your hand at winning the Presidential Election of 1912. The election of 1912 featured four candidates: Woodrow Wilson, William Howard Taft,...

This comprehensive study guide highlights the main terms and formulas needed to determine the equation of a line. Examples are included.

This task compares the usefulness of different forms of a quadratic expression. Students have to choose which form most easily provides information about the maximum value. Aligns with A-SSE.B.3.

[Free Registration/Login may be required to access all resource tools.] Students learn to use a table to graph functions recognizing linear equations and the equations of horizontal lines and vertical lines. Students examine guided...

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how the three types of rocks form and convert from one to another. Includes a few questions to check for understanding.

Good summary from the Internet Encyclopedia of Philosophy of Parmenides' life and thought. Pays special attention to the verse form of his major work, "On Nature."

In this lesson, students are introduced to both potential energy and kinetic energy as forms of mechanical energy. A hands-on activity demonstrates how potential energy can change into kinetic energy by swinging a pendulum, illustrating...

Explains the characteristics of seven different types of government. Includes a group activity.

This tutorial covers x & y intercepts, point-slope form, slope-intercept form, graphing, and more. Use the practice problems at the end to check your skills.

Two very clear examples of point-slope form are given in this Purplemath lesson. One example begins with the slope and a point and the other example begins with two points. Includes interactive widget for practice determining a linear...

This resource contains a lesson on the slope and y-intercept of a line and how to interpret them in word problems.

Students investigate the concept of a precipitate by combining two clear, colorless solutions that produce a solid.