Varsity Tutors: Hotmath: Algebra Review: Add and Subtract Matrices

Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.

Find a quick, concise explanation of how to add and subtract fractions. Step by step examples are included to help you understand how to find the sum or difference for fractions with both like and unlike denominators.

Find a quick, concise explanation of how to add and subtract polynomials. Step by step example is included to help you understand how to use the distributive property to find the sum or difference.

Find a quick, concise explanation of the three basic matrix row operations. Examples are given and clearly explained for each of the operations: switching rows, multiplying a row by a number and adding rows/multiples of rows.

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

Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also...

Find a quick, concise explanation of percents. Many examples are given and clearly explained. Changing a percent to a decimal and a decimal to a percent are also both explained.

Find a quick, concise explanation of only irrational numbers. A diagram is given and clearly explained that shows how irrational numbers relate to other number groups.

Find a quick, concise explanation of how to solve one-step and two-step linear equations. Examples are given and clearly explained.

Find a quick, concise explanation of how to use the rules for divisibility by the numbers 2 through 10. Examples are given and clearly explained for each of the divisibility rules.