Search for tag: "sides"

Solving a word problem involving a sum and another basic relationship using a system of lineaer equations

This demo discusses how to set up two equations to solve the situation described, and then choose the best method to use to solve for each of the variables.

From  Tom Grant 6 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  

Identifying parallel and perpendicular lines from equations

This shows how to transform all given equation that are not in slope-intercept form and then pick out the slopes of all three given lines and compare them to see if they are parallel, perpendicular…

From  Tom Grant 9 plays 0  

Writing an equation in slope-intercept form given the slope and a point

This shows the method of using the point-slope form to write the equation, then solving that form for y to get y = mx + b.

From  Tom Grant 15 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  

Solving a two-step linear inequality with a fractional coefficient

This contains one example of solving an inequality as described in the title.

From  Tom Grant 11 plays 0  

Solving a two-step linear inequality: Problem type 1

Shows one example of solving a iinear inequality in two steps.

From  Tom Grant 9 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  

Additive property of inequality with integers

A demo that only shows a one step process of adding an integer to both sides of an inequality so that the variable stands alone and we can tell what values are true for that inequality.

From  Tom Grant 8 plays 0  

Solving for a variable in terms of other variables in a linear equation with fractions

This describes the process of solving for a particular variable in terms of other variables in an equation. There is a need to go further to combine like terms before it is complete.

From  Tom Grant 8 plays 0  

Solving for a variable inside parentheses in terms of other variables

This demonstrates two ways of dealing with a literal equation that has parentheses which adds an extra step in the process in the first method, bu t not the second.

From  Tom Grant 6 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  

Introduction to solving an equation with parentheses

A simpler version of an equation that needs distribution across a set of parenthese as the first step to solving for the variable

From  Tom Grant 7 plays 0  

Introduction to solving an equation with variables on the same side

A short and simple demo about adding like variable terns that are together on one side of the equals sign in an equation.

From  Tom Grant 5 plays 0