# Search for tag: "coordinates"

#### 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.

From  Tom Grant 22 plays 0

#### Reading a point in the coordinate plane

Just a short demo of how read the location of an (x, y) point on a Cartesian coordinate graph

From  Tom Grant 14 plays 0

#### 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.

From  Tom Grant 9 plays 0

#### 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.

From  Tom Grant 20 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

#### 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

#### Finding the slope given the graph of a line on a grid

From  Tom Grant 28 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