Search for tag: "points"

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Graphing a parabola of the form y =- ax^2 + bs +… duration 4 minutes 11 seconds Graphing a parabola of the form y =- ax^2 + bs +… Graphing a parabola of the form y =- ax^2 + bs + c: Integer coefficients	Graphing a parabola of the form y =- ax^2 + bs + c: Integer coefficients Shows how to ofirst find the coordinates of the vertex, then choose other inputs to find two more points on each side of the vertex, plott them and draw the graph. math math emporium graph parabola vertex axis of symmetry minus times points side values answers direction symmetry axis opposite fractions numbers point dispositive parentheses calculation middle spaces From Tom Grant 4 plays 0
Graphing a parabola ofthe form y = ax^2 or y =… duration 5 minutes 50 seconds Graphing a parabola ofthe form y = ax^2 or y =… Graphing a parabola ofthe form y = ax^2 or y = ax^2 + c	Graphing a parabola ofthe form y = ax^2 or y = ax^2 + c Shows how to shoose appropriatate input values to find five points, then plot them and draw the graph. math math emporium parabola vertex graph 12x half values axis result point points symmetry direction times clue front equations parabolas lesson reason parable side From Tom Grant 6 plays 0
Writing an equation and graphing a line given its… duration 1 minute 30 seconds Writing an equation and graphing a line given its… Writing an equation and graphing a line given its slope and y-intercept	Writing an equation and graphing a line given its slope and y-intercept The informaton given here can be entered directly into the y = mx + b or slope-intercept form. Then the y-intercept is used as a starting point where you apply rise over run to the given slope to… math math emporium graph slope y-intercept y=mx+b halves change b. points left coordinate rises run bottom rise negatives mx form graphic equation From Tom Grant 5 plays 0
Graph a line given its equation in… duration 2 minutes 8 seconds Graph a line given its equation in… Graph a line given its equation in slope-intercept form: Fractional slope	Graph a line given its equation in slope-intercept form: Fractional slope Another demo on how to use the y-intercept to start a graph of a linear equation and then use the slope to find other points on the graph. It finishes with showing the line representing all of the… math math emporium run slope point graph points axis rise change form linear solutions dots anchor coordinate direction left fall fifths mx From Tom Grant 7 plays 0
Graphing a line given its equation in… duration 2 minutes 29 seconds Graphing a line given its equation in… Graphing a line given its equation in slope-intercept form: Integer slope	Graphing a line given its equation in slope-intercept form: Integer slope This explains how to use the slope and y-intercept to determine points on the line graph of a linear equation in two variables and then draws the straight line graph. math math emporium linear graph slope y-intercept point left thing change equation points side starting relationship x. run rise mx form bit y. values chart method From Tom Grant 9 plays 0
Set builder and interval notation duration 2 minutes 8 seconds Set builder and interval notation Set builder and interval notation	Set builder and interval notation Shows how to interpret and graph on a number line a set written in set builder notation, then goes on to transfer the line graph to interval notation. math math emporium closed circle open circle interval notation circle notation interval point parenthesis numbers builder euro matches bracket coordinates comma points graph decimal question From Tom Grant 9 plays 0
Graphing a parabola of the form y = ax^2 + bx +… duration 5 minutes 44 seconds 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 21 plays 0
Graphing a linear inequality in the plane:… duration 5 minutes 45 seconds Graphing a linear inequality in the plane:… Graphing a linear inequality in the plane: Slope-intercept form	Graphing a linear inequality in the plane: Slope-intercept form Shows how to determine the boderline separating the side of the x-y graph that has true solutions from the side that does not. It is then shown how to decide whether that line should be dotted or… math math emporium algebra inequality x-y graph side border circle point slope times points month y. works sides lines eraser endpoint thyme stand fiber axis fraction From Tom Grant 21 plays 0
Classifying systems of linear equations from… duration 4 minutes 13 seconds Classifying systems of linear equations from… Classifying systems of linear equations from graphs	Classifying systems of linear equations from graphs Looks at the three types of graphs that can occur with a system of two linear equaltions in two variables. math math emporium algebra system of equations y = mx + b consistent dependent consistent independent inconsistent equations solution answers solutions words graph slope rest answer variables types systems intercepts lines intercept points boxes coordinate point From Tom Grant 17 plays 0
Graphing a parabola of the form y=ax^2 duration 5 minutes 31 seconds Graphing a parabola of the form y=ax^2 Graphing a parabola of the form y=ax^2	Graphing a parabola of the form y=ax^2 Demonstrates how to make t his graph per instructions, and also shows how to deal with a fractional leading coefficient. math math emporium algebra graph parabola vertex axis of symmetry point symmetry axis times side points equation middle parabolas things coordinate instance pen computer carabiner curve halves r3 From Tom Grant 13 plays 0
Graphing a function of the form f (x) = ax + b:… duration 2 minutes 11 seconds Graphing a function of the form f (x) = ax + b:… Graphing a function of the form f (x) = ax + b: Fractional slope	Graphing a function of the form f (x) = ax + b: Fractional slope Shows how thits form is simply the same as y = mx + b, and then writes the slope and y-intercpt down. It ends with using these to graph the line of points that satisfy this function. math math emporium algebra slope y=intercept graph thirds function point x. form ruler negatives room points times b. thing minus From Tom Grant 89 plays 0
Finding intercepts of a nonlinear function given… duration 1 minute 39 seconds Finding intercepts of a nonlinear function given… Finding intercepts of a nonlinear function given its graph	Finding intercepts of a nonlinear function given its graph Just showiing how to locate and write down the x-intercepts and y-intecepts when looking at a graph math math emporium algebra x-intercept y=intercept graph intercepts axis direction points point coordinates comma boxes function linear cross From Tom Grant 28 plays 0
Vertical Line Test duration 4 minutes 21 seconds Vertical Line Test Vertical Line Test	Vertical Line Test This demonstrates why and how to use vertical lines to test whether a graph of any relation is a function or not. math math emporium algebra vertical line test vertical line function relation circle point values graph test functions graphs points stops distance From Tom Grant 105 plays 0
Application problem with a linear function:… duration 5 minutes 25 seconds Application problem with a linear function:… Application problem with a linear function: Finding a coordinate given two points	Application problem with a linear function: Finding a coordinate given two points We use the slope formula to find the slope from the given points, then we use it again, inserting the discovered slope and solving for the desired missing coordintate of a third point. math math emporium algebra slope (y2 - y1) / (x2 - x1) hours centimeters height points point times candle calculator equals formula output side step sides science bottom rise atlas vector From Tom Grant 45 plays 0
Application problem with a linear function:… duration 5 minutes 49 seconds Application problem with a linear function:… Application problem with a linear function: Finding a coordinate given slope and a point	Application problem with a linear function: Finding a coordinate given slope and a point Using the slope formula, we enter the given information and then solve for the unknown coordinate. math math emporium algebra slope rate of change change in y over change in x rise over run miles minutes minute hour variable side y1 point application ways drive result points calculator minus sides mark amount times From Tom Grant 23 plays 0
Writing an equation and drawing its graph to… duration 4 minutes 5 seconds Writing an equation and drawing its graph to… Writing an equation and drawing its graph to model a real-world situation: Advanced	Writing an equation and drawing its graph to model a real-world situation: Advanced Shows how to interpret a situatioin and create an equation that creates a mathematical connection between two variables. Then by substituting a couple of input values, we can determine the outputs… math math emporium algebra input output rate of change slope y-intercept temperature surface height graph variable degrees celsius points kilometer tool kilometers times change equation symbol pencil point pointer distance From Tom Grant 68 plays 0