Curated Video
GCSE Maths - Plotting a Line by Finding Where it Crosses the Axes #71
This video explains how to plot a straight line on a graph by finding the points that it crosses the x and y axes (also known as the x and y intercepts). This video is suitable for maths courses around the world. KS3 - All on your course...
Brian McLogan
The Easiest Way to Find the X and Y Intercepts Quadratic
In this video I will go through the process in finding the x and y intercepts of a quadratic function. We will do this by applying the algebraic approach. ⭐️ Mistakes Students Make Completing the Square - • Student Mistakes with...
Brian McLogan
The Easiest Way to Find the X and Y Intercepts in Linear Equations
In this video we are going to explore the easiest way to find the x and y intercept of a linear equation ⭐️ Easiest Way to find the and y intercepts of a quadratic - • The Easiest Way to Find the X and Y I... ✅ New Videos on Linear...
Brian McLogan
Solve a System by Graphing, Substitution, Elimination
To solve a system of equations we can graph, solve by substitution or by elimination. In this video we will cover all three. ⭐ Solve a System of Linear Equations Algebraically Compilation - • Solve a System of Linear Equations Al... ⭐...
Why U
Algebra 87 - Graphing Polynomial Functions - Part 2
When sketching the graph of a polynomial function, it may not be necessary to calculate numerous points on the graph. Many clues as to the general shape of the graph can be derived if we understand the characteristics that the graphs of...
Why U
Algebra 86 - Graphing Polynomial Functions - Part 1
Calculators and graphing utilities are available that are capable of creating accurate graphs of polynomial functions. However, it is often desirable to sketch a quick representation of a function's graph to get a general idea of its...
Curated Video
Graphing Parabolas Using Zeros and Vertex
In this video, the teacher explains how to use the zeros and vertex of a quadratic equation to graph a parabola. They review finding the solutions to a quadratic equation by factoring and emphasize that the solutions are not necessarily...
Curated Video
Exploring Vertical Scaling in Linear Equations
In this lesson, students will explore the similarities and differences between two functions, by examining their intercepts, slopes, and algebraic representations. Through visual and algebraic analysis, students will understand how...
Curated Video
Finding X-Intercepts of Quadratic Functions by Factoring
In this video, the teacher explains how to find the x-intercepts of a quadratic function by factoring. They clarify the difference between y-intercepts and x-intercepts and demonstrate how to use the zero product property to find the...
Curated Video
Determining Rational X Intercepts of Quadratic Functions through Factoring
In this video, the teacher explains how to determine the number of rational x-intercepts in the graph of a quadratic function by examining the method used to factor the function. The video also clarifies the difference between rational...
Curated Video
Estimating Solutions of Systems of Equations by Graphing
In this lesson, students will learn how to estimate the solution of a system of equations by graphing. They will review the concept of intercepts and how to find them. By graphing the equations and identifying the point of intersection,...
Curated Video
Graphing a Line Using X&Y Intercepts
In this video, the teacher explains how to graph a line using its X and Y intercepts. They provide examples and demonstrate the correct way to plot the intercepts on the coordinate plane. The video concludes by applying the concept to...
Brian McLogan
Given complex zeros write the polynomial
👉 Learn how to write the equation of a polynomial when given imaginary zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
What do I need to know to graph an equation in standard form
👉 Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Brian McLogan
Graphing a quadratic function in standard form
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Curated Video
Interpreting Graphs: Sketching Functions from Descriptions
In this lesson, students will learn how to sketch a graph of a function by interpreting a description. They will understand the concepts of intercepts, initial value, and rate of change, and apply them to real-life scenarios.
Curated Video
Finding X Intercepts of Polynomial Functions by Analyzing Factors
This video explains the concept of X intercepts and their relationship to the factors of a polynomial function. They demonstrate how to find the X intercepts graphically and algebraically by setting the function equal to zero and...
Curated Video
Finding Zeros of Quadratic Functions with Tables of Values
In this video, the teacher explains how to find the zeros of quadratic functions by analyzing tables of values. They use examples of toy rockets, soccer balls, and baseballs to illustrate the concept. The teacher emphasizes the...
Curated Video
Understanding Intercepts: Analyzing Graphs to Interpret Relationships
In this lesson, students will learn about intercepts and how to interpret them on a graph. They will understand that the Y intercept represents the initial value or starting point, while the X intercept represents when the output is zero.
Brian McLogan
How to determine the extrema and zeros from the graph of a polynomial
👉 Learn how to determine the extrema from a graph. The extrema of a function are the critical points or the turning points of the function. They are the points where the graph changes from increasing to decreasing or vice versa. They are...
Brian McLogan
Finding the x and y intercepts and then graphing the equation using the intercepts
👉 Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Brian McLogan
Given a list of zeros, learn how to write the equation of a polynomial
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Brian McLogan
Graphing a quadratic function in standard form
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...