Search for tag: "minus"

65 Media

02:39 Writing an equation in slope-intercept form given… Writing an equation in slope-intercept form given the slope and a point	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. math math emporium slope point point-slope form slope-intercept form y=mx+b times form thirds equation threes b. answer mx sides bottom intersect method benefit minus ways equals From Tom Grant 15 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 7 plays 0
01:48 Solving a two-step linear inequality: Problem… Solving a two-step linear inequality: Problem type 1	Solving a two-step linear inequality: Problem type 1 Shows one example of solving a iinear inequality in two steps. math math emporium inequality solving sides step mathematicians answer signs form times a3x minus x. fact attention equation rules linear From Tom Grant 9 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 7 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
01:38 Additive property of equality with whole numbers Additive property of equality with whole numbers	Additive property of equality with whole numbers A short demo involving subtracting whole numbers from both sides of an equation. There are two examples. math math emporium addition property of equality thing numbers x. side subtraction property equals minus omega addition sides kind expressions things equality From Tom Grant 4 plays 0
01:35 Evaluating a quadratic expression: Integers Evaluating a quadratic expression: Integers	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. math math emporium value evaluate quadratic times parentheses numbers expression subtractions additions minus m. place things difference From Tom Grant 5 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
04:06 Finding the maximum or minimum of a quadratic… Finding the maximum or minimum of a quadratic function	Finding the maximum or minimum of a quadratic function This shows how to decide whether you are seeking a maximum or minimum value for a quadratic function and then how to find the vertex of i ts parabola to deternine the x-value that locates the min… math math emporium vertex minimum maximum function times answers point directions a. thing x. minus areas b. formula words input occur answer corner From Tom Grant 7 plays 0
07:36 Finding the x-intercepts, the y-intercept, and… Finding the x-intercepts, the y-intercept, and the vertex of a parabola	Finding the x-intercepts, the y-intercept, and the vertex of a parabola This demonstrates how to find these values for a quadratic equation of the form y = ax^2 + bx + c. math math emporium x-intercepts y-intercept vertex parabola quadratic times equation side point intercepts computer minus sides coordinates numbers foil opposites factoring term formula situation professor platforms From Tom Grant 7 plays 0
05:44 Graphing a parabola of the form y = ax^2 + bx +… Graphing a parabola of the form y = ax^2 + bx + c: Integer coefficients	Graphing a parabola of the form y = ax^2 + bx + c: Integer coefficients This shows how to find the vertex of a parabola and then calculate the matching points one unit and two units to the left and right of hte axis of symmetry math math emporium graph parabola vertex axis of symmetry times 80y points point units symmetry axis unit function manner idea pen curve side matching direction minus From Tom Grant 20 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 9 plays 0
05:21 Solving a radical equation that simplifies to a… Solving a radical equation that simplifies to a linear equation: One radical, advanced	Solving a radical equation that simplifies to a linear equation: One radical, advanced Two examples here of solving radical equations. Both have one radical that each need isotation before squaring both sides.. Emphasis is p laced on checking your answer because the one arrived at… math math emporium check answer radical equation root sides answer minus computer thing alright solution times square opposite choice pen symbol parentheses statement parenthesis result room From Tom Grant 8 plays 0
05:30 Solving a radical equation that simplifies to a… Solving a radical equation that simplifies to a quadratic equation: One radical, advanced	Solving a radical equation that simplifies to a quadratic equation: One radical, advanced Squaring both sides of this equation means squaring a binomial. This is demonstrated by this video. math math emporium squaring square root squaring a binomial minus side root times answer -15 answers -20 square sides equals equations term equation questions a. factor binomial rooting levels From Tom Grant 11 plays 0
04:58 Solving a radical equation that simplifies to a… Solving a radical equation that simplifies to a quadratic equation: One radical, basic	Solving a radical equation that simplifies to a quadratic equation: One radical, basic This radical equation when sqaured to eliminate the sqaure root creates a quadratic equation that can then be solved by factoring. math math emporium quadratic factoring -24 times sides root 12th minus answers tony min answer checks works access equals factors pair result term negatives nancy From Tom Grant 6 plays 0
04:22 Solving a radical equation that simplifies to a… Solving a radical equation that simplifies to a linear equation:One radical, basic	Solving a radical equation that simplifies to a linear equation:One radical, basic Two examples that show different possible results from solving a radical equation. You must always check the answer to these. math math emporium radical equation root -13 sides 13th answer times solution side thing sort equations square result left minus expression things From Tom Grant 11 plays 0