Search for tag: "slope"

Identifying parallel and perpendicular lines from equations

This shows how to transform all given equation that are not in slope-intercept form and then pick out the slopes of all three given lines and compare them to see if they are parallel, perpendicular…

From  Tom Grant 13 plays 0  

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.

From  Tom Grant 21 plays 0  

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…

From  Tom Grant 6 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 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.

From  Tom Grant 10 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  

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 17 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 99 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 47 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 24 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 72 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 38 plays 0  

Finding slopes of lines parallel and perpendicular to a line given in the form Ax + By = C

Shows how to convert Ax + By = C to y = mx + b then what and why the slopes for parallell and perpendicular lintes are what they are.

From  Tom Grant 20 plays 0  

Finding slopes of lines parallel and perpendicular to a line given in slope-intercept form

Describes how and why the slopes of parallel and perpendicular lines can be found

From  Tom Grant 9 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  

Writing an equation of a line given its slope and y-intercept

Quick job shown of insterting the given values in the form y = mx + b

From  Tom Grant 41 plays 0