Search for tag: "variable"

42 Media

02:36 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 math emporium factor zero product property solution sides things equation minus factors solutions variable rest equals numbers property words variables squares equations beginning From Tom Grant 15 plays 0
03:08 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 math emporium exponents product rule reciprocal negative exponent times exponent factors numbers definition rule answer minus tenth variable parts string n. reciprocates power basis yx From Tom Grant 8 plays 0
01:11 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 math emporium base exponents product rule exponent power variable thing multiplication basis times rule From Tom Grant 15 plays 0
01:04 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 math emporium product rule exponents times power base rule m. variable blank middle symbol cubed ps counter exponent introduction From Tom Grant 9 plays 0
02:58 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 math emporium system substitution biology textbooks sides variable phrase b. solo method application total variables equations problem word From Tom Grant 7 plays 0
02:06 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 math emporium graph linear x-intercept y-intercept axis times direction point equation grant equals method intercept variable thing intercepts From Tom Grant 18 plays 0
02:06 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 math emporium ordered pair solution evaluate times -40 -24 column pairs table node minus answer means instance variable xy coordinates left equation From Tom Grant 13 plays 0
01:07 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 math emporium less than greater than open circle closed circle number line graph circle left share portions graphs overlap statements word parts variable inequality compound From Tom Grant 7 plays 0
02:22 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 math emporium number line compound ihequality closed circle open circle or and circle numbers inequality difference infinity direction dot hand means statement picture inequalities types variable From Tom Grant 8 plays 0
04:04 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 math emporium simplify expression word problem hours waitress tutor -90 times hour money answer minus variable job amounts gina month jobs amount dollars g. parentheses From Tom Grant 9 plays 0
00:56 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 math emporium translate variable less than age craig minus answer tuesday greg steps expression description From Tom Grant 8 plays 0
02:40 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 math emporium distribute same operation to both sides side equals sides k. thing y. equation canada parentheses kx crh letters capitals c. capital slicker ways variable formula topics From Tom Grant 6 plays 0
01:45 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 math emporium literal equation solving times side multiplications answer equals mind variable lowercase letters snow bottom multiplication division additions y. left capital hand mole operations From Tom Grant 6 plays 0
01:16 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 math emporium evaluate expression parentheses answer times minus piece calculator entry sake safety variable linda multiplication values operations break From Tom Grant 6 plays 0
01:55 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 math emporium exponential negative exponent a^0 = 1 function power fourth values exponent half box turn means exponents x. row variable table From Tom Grant 5 plays 0
03:48 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 math emporium dsicriminant quadrattic formula solutions times root ac -32 discriminant variable formula friends mashable seats notes parentheses solution answers form equation minus From Tom Grant 11 plays 0