Search for tag: "answer"

Power rules with positive exponents: Multivariate quotients

A quick example of distributing an external exponents to all factors in a rational expression

From  Tom Grant 2 plays 0  

Power rules with positive exponents: Multivariate products

An example of how we distribute an exponent outside of parentheses to all factors within.

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  

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  

Identifying solutions to a linear equation in two variables

A demo that shows how to substitute possible x-y ordered pairs into an equation to find out whether they create a true statement, determining which are solutions and which are not.

From  Tom Grant 7 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  

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  

Writing a multi-step expression for a real-world situation

This demo takes some thought so you may want to watch it a few times to fully understand. Writing the expression and then we simplify it so that it is more usable in future.

From  Tom Grant 7 plays 0  

Solving a word problem with two unknowns using a linear equation.

This shows how to represent the two unknowns using their given relationship so that a linear equation can be written using one variable. Then that equation is solved to answer the question

From  Tom Grant 5 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  

Translating a phrase into a two-step expression

This video demonstrates how to change a description in words into an algebraic expression.

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 in terms of other variables using multiplication or division: Advanced

An examplel of how to rearrange a formula to better suit its particular purpose. Often we need to do this because it is easier to rearrange it once instead of having to solve for a variable each…

From  Tom Grant 5 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