Brian McLogan
Fraction misconception adding the numerator and the denominator
π Learn how to add or subtract fractions with common denominators. When adding or subtracting two or more fractions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then...
KnowMo
Subtracting Fractions: How to Make Denominators the Same
This video is a lesson on how to subtract fractions. The instructor explains that subtracting fractions is similar to adding fractions and emphasizes the importance of having the same denominator. The video provides examples of...
Curated Video
Negative and Fractional Powers Explained
In this video, the instructor provides a lecture on negative and fractional powers, explaining how negative powers can be written as fractions and how fractional powers involve roots. The instructor demonstrates how to use the laws of...
Curated Video
KS2 Primary Maths Age 13-17 - Fractions, Decimals and Percentages: Adding and Subtracting Fractions - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Curated Video
KS2 Primary Maths Age 13-17 - Fractions, Decimals and Percentages: Adding and Subtracting Fractions - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Brian McLogan
How to find the find the focus and directrix from a sideways parabola with fractions
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
Learn how to find the exact value of an angle using sum formula for tangent
π Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Curated Video
How to Use Percentages in Microsoft Excel
Many people seem to struggle with formatting percentages in Microsoft Excel, with 100% seemingly equivalent to 1000% or more! In this tutorial I'll explain what's really going on, how to use the percentage tool correctly, demonstrate why...
Brian McLogan
Identify x intercepts and vertex of a quadratic with fractions ex 8, y=-2(x+(9/2))^2 +1/4
π Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Brian McLogan
Master writing a direct variation equation given y and x varying directly
Master writing a direct variation equation given y and x varying directly
Brian McLogan
Find the derivative of exponential with the base as a fraction
π Learn how to find the derivative of exponential and logarithmic expressions. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Curated Video
Understanding Fractions: Identifying Numerators and Denominators
In this video lesson, students learn how to identify the parts of a whole to find a fraction. The teacher explains the concept of numerator and denominator, and demonstrates how to count and draw pictures to determine the fraction.
Brian McLogan
How to solve a two step equation when your variable is multiplied by a fraction
π Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brian McLogan
Solving a simple one step inequality using multiplication
π Learn how to solve one step inequalities. When solving one step inequalities we will use inverse operations to isolate the variable. To represent our solution we will graph on the number line and use open and closed points based on the...
Brian McLogan
Learn how to verify a trigonometric identity
π Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Simplify a complex fraction
π Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Learn how to simplify a trig identity
π Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
Step by step determine if two vectors are parallel or perpendicular
Step by step determine if two vectors are parallel or perpendicular
Brian McLogan
Solve a quadratic by factoring out GCF
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
Learn how to graph an inequality that is in standard form and shade
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...
Brian McLogan
Learn how to solve a proportion by applying cross multiplication
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...
Brian McLogan
Simplifying complex fractions
Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Learn how to simplify an expression with rational exponents using power to quotient rule
π Learn how to simplify rational powers using the power and the quotient rules. There are some laws of exponents which might come handy when simplifying expressions with exponents. Some of the laws include the quotient law which states...
Brian McLogan
Learn how to identify the vertex and axis of symmetry using completing the square
π Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...