# Search for tag: "point"

#### Word problem involving the Pythagorean Theorem

Application of the equation relating the three sides of a right triangle:: a^2 + b^2 = c^2 where a and b are the shorter sides that make the rigiht angle and c is the lenght of the longest side.

From  Tom Grant 16 plays 0

#### Factoring a polynomial involving s GCF and a difference of squares: Univariate

A two-step process involving first removing the greatest common factor from both terms, then factoring the resulting difference of squares.

From  Tom Grant 9 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 11 plays 0

#### Interpreting the graphs of two functions

Demonstates how to interpret a graph of a system of functions so that common questions that someone might have can be answered.

From  Tom Grant 36 plays 0

#### 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.

From  Tom Grant 15 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

#### 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.

From  Tom Grant 32 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 16 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 149 plays 0

#### 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.

From  Tom Grant 22 plays 0

#### 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.

From  Tom Grant 20 plays 0

#### 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.

From  Tom Grant 15 plays 0

#### 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…

From  Tom Grant 24 plays 0

#### Writing equations of lines parallel and perpendicular to a given line through a point

Need the videos for finding tej slopes of parallel and perpendicular lines before viewing this one. This shows how to get the infromation needed for fulling in the point-slope form. You can leave…

From  Tom Grant 24 plays 0

#### Writing an equation in point-slope form given the slope and a point

Shows how you can create the point-slope form, then shows the entry of the given information.

From  Tom Grant 10 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 30 plays 0