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# Equations and Inequalities Homework Help Resources

Studying equations and inequalities? You're in the right place. We've collected dozens of free videos, step-by-step tutorials, and online study tools to help you learn about quadratic inequalities, interval notation, and more.

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ResourceSpotlight
 Students first write an objective function for the profit from selling two types of game players. They then write a system of inequalities to represent the constraints in the problem situation, graph the system of inequalities, find the vertices of the feasible region and substitute their coordinates into the objective function to find the maximum profit. Texas Instruments, Inc.
ResourceSpotlight
 In this activity, students will graph one linear inequality and then graph a system of linear inequalities as they apply to an area of land. Students will practice graphing systems of inequalities and determining if a points lies in the solution. In the extension, students are challenged to write a system of inequalities that describe the area of Mississippi. Texas Instruments, Inc.
ResourceSpotlight
 In this teacher-led activity, students will learn to solve systems of equations graphically. They will learn the relationship between the algebraic and graphical solutions and create equations that draw upon this connection. Texas Instruments, Inc.
ResourceSpotlight
 Students first write an objective function for the profit from selling two types of game players. They then write a system of inequalities to represent the constraints in the problem situation, graph the system of inequalities, find the vertices of the feasible region and substitute their coordinates into the objective function to find the maximum profit. Texas Instruments, Inc.
ResourceSpotlight
 This activity is an introduction to permutations. It includes an optional review on factorials and the Fundamental Counting Principle (also called the Basic Counting Rule). Students are then led through the development of the formula for finding n objects taken n at a time and then n objects taken r at a time. They are given several problems to solve. Lastly, an optional extension allows students to use the formula for permutations with repetition. Texas Instruments, Inc.
ResourceSpotlight
 This activity is an introduction to permutations. It includes an optional review on factorials and the Fundamental Counting Principle (also called the Basic Counting Rule). Students are then led through the development of the formula for finding n objects taken n at a time and then n objects taken r at a time. They are given several problems to solve. Lastly, an optional extension allows students to use the formula for permutations with repetition. Texas Instruments, Inc.
ResourceSpotlight
 In this activity students will explore the definition of absolute value using a number line, plot points to graph y = |x|, and use sliders to perform transformations with absolute value functions. As an extension, students can explore the general absolute value equation, y = a |bx + d| + c. Texas Instruments, Inc.
ResourceSpotlight
 Students build a solution to a rather complex problem: Finding the edge length of an octahedron given its volume by solving two simpler problems first. First, they find a formula for the edge length of a square given its area. Then students find, test, and apply a formula for the edge length of a cube given its volume. Texas Instruments, Inc.
ResourceSpotlight
 In this activity students will explore the definition of absolute value using a number line, plot points to graph y = |x|, and use sliders to perform transformations with absolute value functions. As an extension, students can explore the general absolute value equation, y = a |bx + d| + c. Texas Instruments, Inc.
ResourceSpotlight
 Students build a solution to a rather complex problem: Finding the edge length of an octahedron given its volume by solving two simpler problems first. First, they find a formula for the edge length of a square given its area. Then students find, test, and apply a formula for the edge length of a cube given its volume. Texas Instruments, Inc.
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