Search for tag: "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…

From  Tom Grant 6 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

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

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

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

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

Graphing a line given its slope and y-intercept

Demonstrates how to start at the y-initercept point on the grid and then use the slope to find other points on the line graph.

From  Tom Grant 29 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

Graphing a linear equation of the form y = mx

Demonstrates how to graph this tyep of equation by finding three points, but also how you can find just one point and use the slope "m" to find others.

From  Tom Grant 56 plays 0