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Brian McLogan
Learn how to use the area of a box to factor a trinomial
πLearn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to...
Brian McLogan
How to Determine Corresponding Parts of Two Congruent Triangles
π Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Brian McLogan
Factoring a polynomial when a is greater than one using box method
πLearn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Curated Video
Finding Area in Real World Situations
In this video, the teacher explains how to find the area in real-world situations using multiplication. They review the concept of area and the measurements of length and width for rectangles. They provide examples of finding the area of...
Brian McLogan
Using Similarity and proportions to find the missing values
π Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
KnowMo
Introduction to Congruence and How to Identify Congruent Shapes
This video is a lecture presentation on congruence, where the speaker explains what it means for shapes to be congruent versus similar, and how to determine if two shapes are congruent. The presenter also gives examples of using tracing...
Brian McLogan
Learn how to factor a binomial using the box method
πLearn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Brian McLogan
Master Solving for the missing parts of a triangle using the law of cosines SSS
Master Solving for the missing parts of a triangle using the law of cosines SSS
Brian McLogan
How to label the sides of an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
KnowMo
Similarity in One Dimension: Finding Scale Factors and Missing Lengths
This video discusses the concept of similarity in one dimension for mathematically similar shapes.The scale factor formula is introduced as a means to calculate missing side lengths by comparing two comparative lengths on each shape. The...
Curated Video
The Ambiguous Case: Using the Sine Rule to Solve Triangles
In this lecture presentation, the focus is on the ambiguous case of the sine rule. The presenter uses two examples, one involving a triangle and the other a problem related to ships' bearings, to explain how to identify and solve the...
KnowMo
Introduction to Using Formulas
In this video, the presenter explains the concept of formulae in mathematics and demonstrates how to use them in different scenarios. Examples are given on how to identify the formulae, substitute the values correctly and perform the...
Brian McLogan
Tips for solving by factoring when a perfect square
πLearn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Curated Video
Solve for Unknown Side Lengths Using the Pythagorean Theorem
In this video, students will learn how to solve for unknown side lengths in right triangles using substitution with the Pythagorean theorem. The video explains the Pythagorean theorem and how to create equations using it. It also reviews...
Brian McLogan
How to use proportionality of a triangle to determine if two lines are parallel
π Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Brian McLogan
How to find the missing parts of a triangle SSA with one solution Law of Sines
π 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
Factoring polynomials to multiply two rational expressions
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Curated Video
Understanding Square Units and Cubic Units
In this video, the teacher explains the difference between square units and cubic units by analyzing dimensions. Square units are used to measure area in 2D figures, while cubic units are used to measure the amount of space occupied by...
Brian McLogan
How to determine the similarity of three triangles by drawing the altitude
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
Simplify a rational expression with two trinomials
Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor...
Brian McLogan
How to visualize factor the GCF from a polynomial
π Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Curated Video
Finding the Length of a Diagonal in a Rectangular Prism using the Pythagorean Theorem
In this video, the teacher explains how to find the length of a diagonal inside a rectangular prism using the Pythagorean theorem. They review the steps of writing equations, solving for unknown side lengths, and checking the answers.
Brian McLogan
CCSS What are equiangular, equilateral and regular polygons
CCSS What are equiangular, equilateral and regular polygons