Brian McLogan
Master solving for x given intersecting lines using vertical and supplementary angles
Master solving for x given intersecting lines using vertical and supplementary angles
Brian McLogan
Master labeling complementary and supplementary angle from a figure
Master labeling complementary and supplementary angle from a figure
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
Find the missing length using special right triangles
Find the missing length using special right triangles
Brian McLogan
Learn how to write first five terms of given formula for any number in a sequence
👉 Learn how to find the first five terms of a sequence. Given an explicit formula for a sequence, we can find the nth term of the sequence by plugging the term number of the sequence for n in the given formula. When n = 1, 2, . . ., 5...
Brian McLogan
Learn how to find the sum of an infinite geometric series in summation notation
👉 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 finding the missing angle measure using supplementary angles
Master finding the missing angle measure using supplementary angles
Brian McLogan
Simplifying the Root of Positive and Negative Numbers a Brief Rundown, Cube Root(27)
👉 Learn how to find the cube root of a number. To find the cube root of a number, we identify whether that number which we want to find its cube root is a perfect cube. This is done by identifying a number which when raised to the 3rd...
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...
Curated Video
Door Opening (Identify measurements of special types of angles (e.g. right angles, straight angles, zero angles, acute and obtuse angles))
What does the shape between the door and its edge remind you of?
Brian McLogan
Solve y using cross multiplication - 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
Evaluating an expression with 3 terms, Given a=12, b=9 and c=4. Find (b^2 -2c^2)/(a+c-b)
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Using Alternate exterior angles to prove two lines are parallel
I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exaclty how...
Brian McLogan
Find the area of an oblique triangle - Online tutor - Free Math Videos
👉 Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the outline enclosing...
Brian McLogan
Taking the square root of variable expression basic example, root(16x^2)
👉 Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Law of sines Ambiguous case Two Triangles
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Evaluate for the sine of an angle using the sum of two angles
👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Brian McLogan
Simplify an expression with the rules of exponents
👉 Learn how to simplify expressions by multiplying its terms. When multiplying expressions, each individual term of the expression is multiplied to its like term and the exponents are evaluated using the product rule, the quotient rule...
Brian McLogan
How to Use the Foil Face to Multiply Binomials - Math Tutorial
👉 Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
Brian McLogan
Follow the rules of PEMDAS to simplify an expression with multiple rules of exponents
👉 Learn how to simplify expressions using the power rule and the negative exponent rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual...
Brian McLogan
Multiplying Two Radical Expressions Together by Simplifying First
👉 Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
Learn how to take the square root of an expression evenly, root(4x^2)
👉 Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...