Brian McLogan
Graphing a System of Equations by Eliminating the Fractions
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
Showing you have a proportion for similar triangle given points
π Learn how to determine whether two triangles are similar given the coordinate points of the vertices of the triangle. Two triangles are said to be equal when the corresponding angles of the triangles are congruent (equal) or when the...
Brian McLogan
Determine if a set of points is a trapezoid or not
π Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Brian McLogan
Determine the distance between two points using distance formula ex 1, A(3, 2) and B(6, 3)
π Learn how to find the distance between two points. The distance between two points is the length of the line joining the two points in the coordinate plane. To find the distance between two points in the coordinate plane, we make use...
Brian McLogan
What are the formulas for the measure of angles outside of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Brian McLogan
How to write the equation of a circle given a circle on a graph
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
KnowMo
Introduction to Enlargements and Scale Factors
This video is a tutorial on the topic of enlargements. The video covers how to calculate scale factors and how to carry out an enlargement using the translation method. It also covers describing the sense of enlargement and negative...
Curated Video
Logical Concepts of Consequence and Equivalence
The video explains the logical concepts of consequence and equivalence. The presenter defines logical consequence as a scenario where if Statement A is true, then it implies that Statement B is also true. The video also explains the...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Quadratic Equation Formula - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Learn how to find the geometric probability from a figure
Learn how to find the geometric probability of an event. Given a geometric figure, we can find the geometric probability of an event by taken the area of the part of the geometric figure satisfying the event divided by the area of the...
Brian McLogan
Algebra 2 - Learning how to subtract two complex numbers, (6 - i) - (-7 - 2i)
In this video playlist you will learn everything you need to know with complex and imaginary numbers (6 - i) - (-7 - 2i)
Brian McLogan
Learn to graph an ellipse from an equation
Learn how to graph horizontal ellipse not centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the...
Brian McLogan
Learn how to graph an ellipse
Learn how to graph vertical ellipse centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major radius...
Brian McLogan
Determine the foci vertices and center for an ellipse in general form
Learn how to graph vertical ellipse which equation is in general form. A vertical ellipse is an ellipse which major axis is vertical. When the equation of an ellipse is written in the general form, we first rewrite it in standard form...
Virtually Passed
relative velocity derivation
This is an introduction to relative velocity. There is an animation at the end which helps highlight that the motion of a rigid body can be split into both rotational and translational movement. I also show (informally) that the velocity...
Why U
Algebra 78 - Imaginary and Complex Numbers
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Virtually Passed
Impulse and Momentum example 2
For a constant wind force you can play around with the values here and watch a basic simulation:
Brian McLogan
Using Two Multipliers to Solve a System of Equations with Elimination
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
How to write an equation given two points using point slope formula - coolmath
In this video series I show you how to write linear equations when given a point, slope, or two points. We will write the equation of a line using this information and using different forms of a linear equation. Slope intercept, point...
Brian McLogan
Determine the slope between two points
π Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
Brian McLogan
How to determine if a set of points makes up a rectangle using the distance formula
π Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Curated Video
Sketching Cubic Functions: Factorizing and Finding Intercepts
The video lecture focuses on understanding and sketching cubic functions that cannot be completely factorized. The speaker starts by reviewing the general shape of a cubic function and explaining how to identify different factorized...
Curated Video
Graph Transformations: Focus on F(x + a) + b
This video is a lecture presentation on graph transformations with a focus on F of X + A and B. The presenter explains how adding to the Y value affects the Y coordinate and causes a vertical shift, while adding to the X value affects...
Curated Video
Statistics for Data Science and Business Analysis - Establishing a Rejection Region and a Significance Level
This video explains the rationale behind testing. You will establish a rejection region and a significance level. This clip is from the chapter "Hypothesis Testing" of the series "Statistics for Data Science and Business Analysis".This...