Brian McLogan
What is a geometric mean
Learn about the geometric mean of numbers. The geometric mean of n numbers is the nth root of the product of the numbers. To find the geometric mean of n numbers, we first multiply the numbers and then take the nth root of the product.
Brian McLogan
Determining the missing angle of a trapezoid
π Learn how to solve problems with trapezoids. A trapezoid is a four-sided shape (quadrilateral) such that one pair of opposite sides are parallel. Some of the properties of trapezoids are: one pair of opposite sides are parallel, etc. A...
Brian McLogan
Dividing two polynomials using synthetic division
π Learn about dividing by synthetic division. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for the variable, the solution for...
Curated Video
Solving an Equation Using the Distributive Property
Students will be introduced to equations with parentheses. A procedural check list is provided to guide students through the steps of solving an equation first using the distributive property. Students will review how to check their...
Curated Video
Similar Figures
In this video lesson, we will learn the definition of similar figures. Similar figures are figures that are the same shape but different sizes. Similar figures have corresponding sides that are proportional and corresponding angles that...
Brian McLogan
How to cross multiply to solve 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...
Brian McLogan
Solving an equation for y and x using two steps
π 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. To do this, we...
Brian McLogan
Using corresponding parts of congruent triangles to find the missing value
π Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...
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 finding the missing angle measure using supplementary angles
Master finding the missing angle measure using supplementary angles
Brian McLogan
How to write the system of equations from a word problem
πLearn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....
Brian McLogan
Solving a literal equation that is a proportion ex 13, x/a = y/b; solve for x
π 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
Learn how to solve a rational literal equation
π 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
How to solve a trigonometric equation with tangent
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Solving for all solutions of sine with a multiple angle
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Solving trigonometric equations with multiple angles
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
What do I need to know to solve a quadratic by 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
What is the inverse operation of squaring square root
π Learn how to solve one and two step liner equations. To solve one and two step linear equations we will use inverse operations and properties of equality to isolate the variable. The solution of the linear equation is the value that...
Brian McLogan
Using Congruent Triangles to Determine the Value of X
π Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Brian McLogan
Using distributive property and combining like terms to solve linear equations
π Learn how to solve multi-step equations with parenthesis and variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying...
Brian McLogan
Zeros and multiplicity from vertex form of a quadratic
Zeros and multiplicity from vertex form of a quadratic
Brian McLogan
Factor out a negative one to solve a quadratic
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 the basics of applying synthetic division to divide two polynomials
π Learn about dividing by synthetic division. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for the variable, the solution for...