This illustrated math lesson shows how important levels of accuracy in measurement are. The answer can be different since a scale only accurately weighs to the nearest tenth of a gram instead of to the nearest hundredth of a gram. Aligns...

Twenty problems present a variety of practice solving linear systems by graphing. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button...

Twenty problems present a variety of practice solving systems of linear equations by graphing. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...

Twenty-seven problems present a variety of practice solving systems of linear equations algebraically. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...

Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...

Verify whether a given pair of values is a solution to a system of equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Students will solve systems of linear equations by a variety of methods: graphing, substitution, and elimination. The questions are multiple-choice and fill-in-the-blank.

Find a quick, concise explanation of how to solve systems of linear equations algebraically and graphically. Examples are given and clearly explained.

Tracking equipment is used to help ship navigators traveling in dense fog determine if they are in danger of colliding with other ships that may be in the area. For this activity, we are going to assume two ships are traveling along...

In response to a student question about solving an inequality, "Dr. Math" provides a general discussion of what is necessary to solve these types of problems.

This resource is about factoring linear and quadratic expressions in one variable, evaluating them at a given value of the variable, multiplying factors to find the expanded form of the expression, and solving linear and quadratic...

This resource demonstrates how to solve linear inequalities step-by-step and shows four different solution formats/notations viz. inequality notation, set notation, interval notation, and the last "notation" which is more of an...