Brian McLogan
Misconception multiplying by the same number to both fractions
π Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Fraction, Percentage, Ratio - 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 solve an exponential equation when the base is a fraction
π Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
What do a and b do to the transformations of a function
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...
Brian McLogan
Tutorial - Detrmining the Leading coefficient and degree of a polynomial with a fraction ex 14
π Learn how to find the degree and the leading coefficient of a polynomial expression. The degree of a polynomial expression is the the highest power (exponent) of the individual terms that make up the polynomial. For terms with more...
Brian McLogan
How to solve a quadratic by using the square root method
πLearn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
Solving systems of equations tutorial with substitution
πLearn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
Graphing a quadratic function in standard form
π 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...
Brian McLogan
Using cross product to verify a proportion
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Flipping Physics
Moments of Inertia of Rigid Objects with Shape
The moment of inertia of a system of particles equation is used to estimate six different moments of inertia of rigid objects with constant density.
Curated Video
Generating Equivalent Fractions Using a Grid Model
In this video, students learn how to find equivalent fractions with denominators of 10 and 100 using a grid model. The teacher explains the concept of equivalent fractions and emphasizes that the size of the hole remains the same,...
Brian McLogan
Dividing rational expressions
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Brian McLogan
Master How to Verify a trigonometric identity using half angle formulas
Master How to Verify a trigonometric identity using half angle formulas
Brian McLogan
Find the slope between two points with fractions
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...
KnowMo
Algebraic Fractions: Multiplication and Division
This video is a lecture on how to multiply and divide algebraic fractions. The speaker explains that algebraic fractions are fractions that contain algebraic terms and are treated similar to numeric fractions. The video includes multiple...
Brian McLogan
ACT SAT Prep Determine the value of x by adding multiple fractions
ACT SAT Prep Determine the value of x by adding multiple fractions
Brian McLogan
How to graph a linear inequality by rewriting the inequality in slope intercept form
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...
Curated Video
Recognizing Equivalent Fractions Using Fraction Strips
In this video, the teacher explains how fractions can be equivalent to whole numbers using fraction strips. The teacher demonstrates with examples, showing how fractions like 1/4 and 2/8 can represent the same amount of space. The lesson...
Brian McLogan
Subtracting a rational expression from a whole number
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
Learning how to find the sum of an infinite geometric series
π Learn how to find the geometric sum of a series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n terms of a geometric sequence is given by...
Brian McLogan
Graphing logarithmic equations
π Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the function. This is done by...
Curated Video
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratios - 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - 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...
Physics Girl
Could you replace your eye with a camera?
How does the eye compare to a camera? How do they work, and will camera technology ever get to the point where you would want to replace your eyeball with a camera?