Search for tag: "axis"

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.

From  Tom Grant 5 plays 0  

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.

From  Tom Grant 6 plays 0  

Word problem involving the maximum or minimum of a quadratic function

This video explains the situation we are trying to minimize or maximize and the role of the input and output variables. Then the process of finding the location and value of the requested amount is…

From  Tom Grant 11 plays 0  

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.

From  Tom Grant 21 plays 0  

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…

From  Tom Grant 8 plays 0  

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

From  Tom Grant 21 plays 0  

Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola

This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it…

From  Tom Grant 14 plays 0  

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…

From  Tom Grant 24 plays 0  

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.

From  Tom Grant 13 plays 0  

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

From  Tom Grant 29 plays 0  

Domain and range from the graph of a continuous function

Shows how to write the domain and range of a graph of an unbroken function with a starting point and an ending point.

From  Tom Grant 504 plays 0  

Finding an output of a function from its graph

Simply demonstrates how to interpret function notation to understand what is being asked. In the example, the input is shown using function notatiion and the question asks for the function value or…

From  Tom Grant 23 plays 0  

Finding the slope and y-intercept of a line given its equation in the form Ax + By = C

Demonstrates how to solve a standard form equation for y to get the slope-intercept form y = mx + b

From  Tom Grant 69 plays 0  

Finding x- and y-intercepts of a line given the equation: Advanced

A second video describing how to find x- and y-intercepts.

From  Tom Grant 16 plays 0  

Finding x- and y-intercepts of a line given the equation: Basic

Shows how to substitute zero for y to find the x-intercept and zero for x to find the y-intercept.

From  Tom Grant 29 plays 0  

Finding x- and y-intercepts given the graph of a line on a grid

Finding the points where a particular graph crosses each axis on the x-y coordinate plane.

From  Tom Grant 44 plays 0