Brian McLogan
Completing the square and finding the x intercepts
In this math tutorial I will show you how to sketch a quadratic function, find the axis of symmetry, determine the y-intercepts and find the zeros or x-intercepts. To find the x-intercepts we use such methods as setting the equation...
Curated Video
How to Conquer Completing the Square with Non-One Coefficients
This video will provide a procedural checklist for the method completing the square to solve a quadratic equation when the value of a is not 1 when written in standard form. Topics covered - solving a quadratic equation, finding the...
Brian McLogan
Master finding all of the zeros of a polynomial rational, irrational and complex using synthetic
Master finding all of the zeros of a polynomial rational, irrational and complex using synthetic
Brian McLogan
Find the zeros by factoring a quadratic factoring
👉Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Solving a factored quadratic equation using the zero product property
👉Learn how to solve a quadratic equation using the zero product property. When a quadratic equation has been factored or is given in factored form, we can solve the quadratic equation by applying the zero product property. The zero...
Brian McLogan
Find x and y intercepts of a rational function
👉 Learn how to find the x and y-intercepts of a rational function. The x-intercept(s) of a function occurs when y = 0 and the y-intercept(s) of a function occurs when x = 0. To find the y-intercept of a function, we plug in zero for x...
Khan Academy
X- and Y-Intercepts 2, Linear Equations and Functions
Given a linear equation in standard form, find the x-intercept and y-intercept. In this video, Sal shows how to set x = 0 and solve the y-intercept and how to set y = 0 and find the x-intercepts.
Flipped Math
Modeling with Quadratics
Do some interpretive modeling. Class members watch three examples of interpreting key features of a graph of a quadratic to find solutions to a real-world problem. Learners review how to find the key features on a graph using technology...
Flipped Math
Quadratics in Standard Form
Get ready to set the standard! Pupils watch a video on how to graph a parabola from a quadratic in standard form without converting the form. Scholars learn how to find the axis of symmetry from the equation and from there the vertex....
Flipped Math
Intro to Quadratics
Quadratics need no introduction, but here is one anyway. Learners watch a video that introduces them to quadratics. The pupils learn what a quadratic is, its key features, and how to sketch a graph of the parabola it defines. Then, they...
Flipped Math
Graphs of Functions
Create a graphical description. Pupils watch a video presentation starting with vocabulary on properties of a graph of a function and then use the vocabulary to find key features of graphs of a function. Scholars use three graphs in the...
Flipped Math
Modeling with Graphs
Create a graph for anything in the world. Pupils continue to work with graphs that model situations. The learners analyze different graphs to answer questions about the scenario along with finding equations of graphs. Scholars use...
Mathispower4u
Graphing by Finding Intercepts
There's more than one way to graph a line. A video presentation explores graphing linear equations by finding the intercepts. After explaining the concept of an intercept and how it relates to its coordinates, the presenter demonstrates...
FuseSchool
Completing the Square—Plotting Quadratics
Where is the turning point? The presentation demonstrates how the process of completing the square finds several points in the graph of a quadratic. One of the most important points found is the vertex of the graph. The video shows where...
FuseSchool
Quadratic Graph—Roots and Y-Intercept
Build a connection between the equation and graph of a quadratic function. A thorough video lesson demonstrates how to use find the roots and y-intercept of a quadratic function and create a graph from the three points. The instructor...
Krista King Math
Equation, Center and Radius, and Intercepts of a Circle
Working with standard equations is essential to mathematics. The instructor shows pupils how to apply the equation of a circle to determine the center, radius, and intercepts of a circle. Learners then view three examples that...
Curated OER
How Do You Use Point-Slope Form to Write an Equation from a Table?
Given a table of x and y values, is it possible to write a linear equation from this information? There will be several steps involved. First is to use the point-slope formula to find a slope. Then use that slope and one of the ordered...
Curated OER
What's the X-Intercept?
In a linear equation, the x-intercept is really just the point where the graph of the line crosses the x-axis.
Curated OER
How Do You Use the Graph of a Linear Equation to Solve a Word Problem?
There are rabbits, rabbits, rabbits everywhere. Not this group of rabbits. Use a table to find some x and y values to create a graph to solve this word problem. It's a rather peculiar word problem in that it is trying to find when a...
Curated OER
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have a Table?
There are many pieces and many parts to this problem. It seems simple enough to write an equation in slope-intercept form. In this problem, there is a given table of values and information from this table is used to get an equation...
Curated OER
How Do You Use X- and Y-Intercepts To Graph a Line In Standard Form?
Given a linear equation, find the x-intercept and the y-intercept to graph the line. Not sure what to do or where to start? Watch this video and see the instructor break it down and make it understandable.
Curated OER
What's the Y-Intercept?
In a linear equation, the y-intercept is really just the point where the graph of the line crosses the y-axis.
Curated OER
What's the X-Intercept?
In a linear equation, the x-intercept is really just the point where the graph of the line crosses the x-axis.
Curated OER
How Do You Find the X- and Y-Intercepts of a Line in Slope-Intercept From?
Find the x and y intercepts in a given linear equation written in slope intercept form. Piece of cake! There are just two things to do. First, substitute 0 for x and solve to find the y-value. Then substitute 0 for y to find the value of...