Brian McLogan
Learn how to convert an angle in decimal form of degrees to radians
👉 Learn all about angles of trigonometry. In this playlist, we will explore what makes up an angle and how to graph an angle in degrees or radians to determine the quadrant. We will then take a look at angle relationships such as...
Brian McLogan
Finding the Amplitude and Period of a Trigonometric Graph
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Brian McLogan
Using difference of two angles with tangent to evaluate
👉 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...
Brian McLogan
Learn how to divide two rational monomials and simplify
👉 Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
Brian McLogan
How to solve a quadratic using the square root method with fraction
👉Learn 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
Determine the roots of the quadratic function with fraction coefficients
👉Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Compose Two Rational Functions then Determine Domain
Learn how to compose two functions where one or both of those functions is/are rational. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Brian McLogan
Learn how to find inverse of a function and determine if the inverse is a function or not
👉 Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...
Brian McLogan
How to shade absolute value inequalities
👉 Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent function of an absolute value equation is...
Brian McLogan
How to apply the power to power rule with rational exponents
👉 Learn how to simplify rational powers using the power rule. There are some laws of exponents which might come handy when simplifying expressions with exponents. Some of the laws include the power rule which states that when an...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Algebra - 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
Master Creating a scatter plot and writing the equation of a best fit line
Timestamps: 0:00 Intro 1:17 Example #1 7:50 Example #2 Corrections: 9:41 I mistakenly switched the last point x and y, it should be (64, 9). 14:35 Another mistake, 100 minus 9 is 91, not 81.
Brian McLogan
What you need to know | Analytic Trigonometry | Free Math Videos
In this video I help prepare you for what you need to know to be successul in analytic trigonometry. We will begin by practicing rationalizing the denominator, then move to simplifying rational expressions, solving quadratic equations...
Brian McLogan
Making sense of dividing Rational Expressions
Making sense of dividing Rational Expressions
Brian McLogan
Determine the infinite sum of a geometric series
👉 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
MASTER writing a quadratic in vertex form by completing the square to identify the vertex
MASTER writing a quadratic in vertex form by completing the square to identify the vertex
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Addition and Subtraction of Fractions
It explains Addition and Subtraction of like, unlike and mixed fractions.
Curated Video
Comparing Fractions with the Same Numerator: Comparing Size
In this video, the teacher explains how to compare fractions with the same numerator by reasoning about their size. The lesson emphasizes the importance of considering the denominator and using fractional models to visualize the...
Curated Video
Rewriting Simple Rational Expressions: Identifying Common Factors
In this video, the teacher explains how to rewrite simple rational expressions by identifying common factors. They provide examples and demonstrate how to rewrite expressions in equivalent forms.
Curated Video
How to Write Repeating Decimals as Fractions
This video lesson will introduce the steps of converting a repeating decimal to a fraction algebraically. You will also learn the pattern associated with the number of digits that repeat. Grade 8 Common Core Topics/Standards
Brian McLogan
Learn how to solve a rational literal equation
👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. When the literal...
Brian McLogan
Learn how to get rid of a fraction first to solve a literal equation c= (2d+1)/3 for d
👉 Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Brian McLogan
Determining the slope of between two points as fractions
👉 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...