Search for tag: "variable"

42 Media

Solving an equation written in factored form duration 2 minutes 36 seconds Solving an equation written in factored form Solving an equation written in factored form	Solving an equation written in factored form Starts with cautiioning against multiplying the factors back together and describes the zero product property to justify this warning. Then shows how to continue from the factored form to separate… math +20 More From Tom Grant 15 plays 0
Product Rule witih negative exponents duration 3 minutes 8 seconds Product Rule witih negative exponents Product Rule witih negative exponents	Product Rule witih negative exponents A multil-variable example where we can gather together like factors and then multiply them as numbers or by adding their exponents. If any negative exponents occur, then the definition of a negative… math +22 More From Tom Grant 8 plays 0
Introduction to the product rule of exponents duration 1 minute 11 seconds Introduction to the product rule of exponents Introduction to the product rule of exponents	Introduction to the product rule of exponents The product rule is stated in general and then applied to an example. math +12 More From Tom Grant 16 plays 0
Understanding the product rule of exponents duration 1 minute 4 seconds Understanding the product rule of exponents Understanding the product rule of exponents	Understanding the product rule of exponents A quick intro to how and why the product rule for exponents works. math +17 More From Tom Grant 9 plays 0
Solving a word problem involving a sum and… duration 2 minutes 58 seconds Solving a word problem involving a sum and… Solving a word problem involving a sum and another basic relationship using a system of lineaer equations	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. math +17 More From Tom Grant 10 plays 0
Graph a line given by first finding its x- and… duration 2 minutes 6 seconds Graph a line given by first finding its x- and… Graph a line given by first finding its x- and y-intercepts	Graph a line given by first finding its x- and y-intercepts This video describes why the method for finding the intercepts works, then demonstrates finding the intercepts for an example equation and graphing its line. math +17 More From Tom Grant 22 plays 0
Identifying solutions to a linear equation in two… duration 2 minutes 6 seconds Identifying solutions to a linear equation in two… Identifying solutions to a linear equation in two variables	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. math +20 More From Tom Grant 26 plays 0
Writing a compound inequality given a graph on… duration 1 minute 7 seconds Writing a compound inequality given a graph on… Writing a compound inequality given a graph on the number line	Writing a compound inequality given a graph on the number line A quick demonstration of how to interpret a line graph of a compound inequality and write its algebraic form. math +19 More From Tom Grant 8 plays 0
Graphing a compound inequality on the number line. duration 2 minutes 22 seconds Graphing a compound inequality on the number line. Graphing a compound inequality on the number line.	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" math +22 More From Tom Grant 45 plays 0
Writing a multi-step expression for a real-world… duration 4 minutes 4 seconds Writing a multi-step expression for a real-world… Writing a multi-step expression for a real-world situation	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. math +23 More From Tom Grant 19 plays 0
Translating a phrase into a two-step expression duration 56 seconds Translating a phrase into a two-step expression Translating a phrase into a two-step expression	Translating a phrase into a two-step expression This video demonstrates how to change a description in words into an algebraic expression. math +13 More From Tom Grant 24 plays 0
Solving for a variable inside parentheses in… duration 2 minutes 40 seconds Solving for a variable inside parentheses in… Solving for a variable inside parentheses in terms of other variables	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. math +23 More From Tom Grant 6 plays 0
Solving for a variable in terms of other… duration 1 minute 45 seconds Solving for a variable in terms of other… Solving for a variable in terms of other variables using multiplication or division: Advanced	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… math +23 More From Tom Grant 7 plays 0
Evaluating an algebraic expression: Whole numbers… duration 1 minute 16 seconds Evaluating an algebraic expression: Whole numbers… Evaluating an algebraic expression: Whole numbers with two operations	Evaluating an algebraic expression: Whole numbers with two operations A quick demo about plugging in given values for variables and calculating a number result. math +18 More From Tom Grant 7 plays 0
Table for an exponential function duration 1 minute 55 seconds Table for an exponential function Table for an exponential function	Table for an exponential function Shows how to plug in the given x--values and get values for f(x) = b^x math +18 More From Tom Grant 11 plays 0
Discriminant of a quadratic equation duration 3 minutes 48 seconds Discriminant of a quadratic equation Discriminant of a quadratic equation	Discriminant of a quadratic equation Gives the three possible answers that result from calculating a discriminant, then demonstratew with two different quadratic equations. math +21 More From Tom Grant 13 plays 0