A comprehensive guide for learning all about linear equations in two variables with definitions, how to solve them, solved examples, and practice questions.

Classroom teachers will learn how to use phoneme substitution as an instructional strategy. Teachers will learn direct instructional techniques for phoneme substitution. Word picture cards are included to be used with phoneme...

Young scholars 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.

The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on solving systems of equations in three variables. Topics include solving systems using the substitution and...

Practice evaluating expressions in two variables by plugging in values for the variables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.

Practice evaluating expressions in two variables by plugging in values for the variables. These problems include some fractions and decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch...

This Purplemath lesson includes many different number properties explained by using examples.

[Free Registration/Login Required] Two different techniques for integrating composite functions, pattern recognition and change of variables, are discussed using a process called u-substitution. This pattern recognition uses both of the...

Students watch an online tutorial on the concept of solving systems of equations using the substitution method. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty...

This site provides students practice with the concept of evaluating expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.

Students will play learning games that teach students how to graph patterns and tables.

Explains what a single replacement, or displacement, reaction is; describes the two types - cation and anion replacement reactions; and gives examples of chemical reaction equations for each.

Substitution matrices can be used to align two protein sequences.

Discusses how to solve systems of equations in two variables by reviewing ans showing examples of the four methods of solving linear equations: substitution, elimination, matrices, and graphing.

Learn how to solve a system of nonlinear equations using the substitution and the elimination methods. This tutorial offers definitions, problems and step-by-step solutions, and practice exercises for you to complete and check.

After solving one system of equations by the methods of graphing, elimination using addition or subtraction, elimination using multiplication, and substitution, students will be given four systems to be solved by one of each of the four...

Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.

Both the substitution and elimination methods are presented through detailed examples. Learn step by step how to find solutions to any linear system of two variables.

To solve polynomials of higher degree, use synthetic division as demonstrated here. The Rational Zero Theorem, Upper and Lower Bound Theorem, and Descartes Rule of Signs are explained.

This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...

Practice what you have learned about the law of demand, the income and substitution effect, and changes in demand in this seven-question exercise.

This task examines, in a graphical setting, the impact of adding a scalar, multiplying by a scalar, and making a linear substitution of variables on the graph of a function f. There is no formula for the function so the focus is on...

Seven problem online chemistry quiz that tests understanding of the five categories of chemical reactions.