Search for tag: "numbers"

Product rule with positive exponents: Multivariate

A straightforward examplel of a simplification using the product rule for exponents.

From  Tom Grant 2 plays 0  

Solving a system of linear equations using elimination with addition

This talks about why we need two equations to solve for two unknown values, and then demonstrates how to add two equations together to eliminate one varaible and solve for the other one, then find…

From  Tom Grant 9 plays 0  

Solving a compound linear inequality: Iinterval notation

This describes how to solve each side of a compound inequality, then using the graphs of each part determine the interval notation for the entire compound statement.

From  Tom Grant 7 plays 0  

Solving a compound linear inequality: Graph solution, basic

Presents a compound inequality where both sides have to be solved for the variable first, and then shows how to graph the simplified results

From  Tom Grant 8 plays 0  

Multiplicative property of inequality with integers

This states the Multiplicative Propery of Inequality, then demonstates how it works with two examples.

From  Tom Grant 10 plays 0  

Union and intersection of intervals

A demonstration of how to deal with interpreting the union and intersection of two inequalities. For a more extensive and exhaustive demo, please view the videos entitled "Understanding…

From  Tom Grant 9 plays 0  

Set builder and interval notation

Shows how to interpret and graph on a number line a set written in set builder notation, then goes on to transfer the line graph to interval notation.

From  Tom Grant 7 plays 0  

Graphing a compound inequality on the number line.

This presents how to graph two inequalities that are connected by either the word "or" or the word "and"

From  Tom Grant 7 plays 0  

Solving a word problem involving consecutive integers

This describes the way to represent a series of consecutuve integers, then consecutive odd or even integers so that you can w rite an expression that combines them.

From  Tom Grant 7 plays 0  

Set Builder Notation

Shows how to take the descriptive set builder notation and write a roster set to represent the same one.

From  Tom Grant 7 plays 0  

Solving for a variable in terms of other variables using addition or subtraction: Advanced

Describes how to rearrange a simple formula with several variables so that a different and particular one is isolated.

From  Tom Grant 8 plays 0  

Solving a linear equation with several occurrences of the variable: Variables on both sides and distribution

A somewhat fancierversion of seveal solving equation versions that should help solidify the process in your mind.

From  Tom Grant 10 plays 0  

Solving a linear equation with several occurrences of the variable: Variables on the same side and distribution

A more complicated version of solving an equation. It specifically addresses dealing with two variable terms on the same side of the equals sigh.

From  Tom Grant 7 plays 0  

Multiplicative property of equality with whole numbers

A quick statement of the property followed by two examples of its use.

From  Tom Grant 5 plays 0  

Additive property of equality with whole numbers

A short demo involving subtracting whole numbers from both sides of an equation. There are two examples.

From  Tom Grant 4 plays 0  

Evaluating a quadratic expression: Integers

Given a value for the variable, here a quadratic expression is then calculated with that given value put in place of the variable.

From  Tom Grant 5 plays 0