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Curated Video
Graphing Linear Inequalities with Greater Than or Greater Than or Equal to Symbols
In this video, the teacher explains how to graph linear inequalities with greater than or greater than or equal to symbols. They demonstrate the process of finding solutions and plotting them on a coordinate plane, while also explaining...
Curated Video
Recognizing Patterns on a Coordinate Plane
In this video, the teacher explains how to recognize patterns by comparing and graphing them on a coordinate plane. They use the example of movie ticket prices to demonstrate this concept. The teacher guides students through creating a...
Curated Video
Graphing Quadratic Functions: Identifying Features and Direction
In this video, the teacher explains the concept of parabolas and how to determine whether they open up or down. They also review the order of operations and the standard form of a quadratic function.
Brian McLogan
Learn to graph a line in slope intercept form
π Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Curated Video
Proportional Relationships
What factors do we need to pay attention to when comparing a relationship? Let's look at a few examples to answer this question and learn the different ways we can represent a proportional relationship.
Brian McLogan
Learn how to graph a linear inequality
π Learn how to graph linear inequalities written in standard form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken...
Brian McLogan
Review of transformations of functions from Algebra 2
π Learn how to determine the transformation of a function. Transformations can be horizontal or vertical, cause stretching or shrinking or be a reflection about an axis. You will see how to look at an equation or graph and determine the...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 10 of 10)
This video concludes the exploration of a three dimensional Cartesian coordinate system. This video covers 2 examples illustrating the appropriate way of graphing equations in three dimensional space that are restricted to a given...
Brian McLogan
Learn to graph a logarithm with a reflection and translation
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
How to graph logarithmic equations
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Rotate a figure 90 degrees counter clockwise about the origin
π Learn how to apply transformations such as translations, rotations, reflections as well as dilation to points, lines, triangles, and other shapes. When applying transformations we will use certain rules as well as tricks to help you...
Brian McLogan
Given three zeros learn how to write the equation of a polynomial
π 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
Evaluating the composition of sine and cosine functions
π Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
Solve system of equations by graphing with a fraction at intersection
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Brian McLogan
How to determine the domain and range of a quadratic using its vertex
π Learn the basics to understanding graphing quadratics. 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...
Brian McLogan
Linear Programming problem learn how to solve
Learn how to solve problems using linear programming. A linear programming problem involves finding the maximum or minimum value of an equation, called the objective functions, subject to a system of inequalities, called the constraints....
Curated Video
Solving Systems of Equations by Linear Combination
This video explains how to solve systems of equations using linear combination, also known as elimination. It demonstrates the process step-by-step and provides examples to help students understand the concept.
Brian McLogan
What is a linear equation
π 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
What is the rational zero test?
π Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Brian McLogan
Summary for graph a linear inequality
π Learn how to graph linear inequalities. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken line (dashes) is used...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 3 of 10)
This video continues the exploration of a three dimensional Cartesian coordinate system. This video goes over 5 examples covering the proper way to graph equations in R cubed. Equations covered include planes, cylinder, and parabolic...
Brian McLogan
Learn how to graph a rational expression with symmetry about the origin
π Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Brian McLogan
how to sketch the graph of a hyperbola in conic sections
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...