Instructional Video3:01
Brian McLogan

How to reflect a line over the origin

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video3:11
Brian McLogan

How to reflect a triangle over the y=x line

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video5:57
Brian McLogan

How to use the quadratic formula to solve a quadratic equation

12th - Higher Ed
πŸ‘‰ Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Instructional Video4:32
Brian McLogan

Given the number of sides of a regular polygon find the measure of each interior angle

12th - Higher Ed
πŸ‘‰ Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Instructional Video4:42
Brian McLogan

How do we add and subtract rational expressions

12th - Higher Ed
Learn how to add/subtract rational expressions with monomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video3:59
Brian McLogan

Finding a rule from a table using addition and subtraction - Help on math

12th - Higher Ed
πŸ‘‰ How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear...
Instructional Video6:17
Brian McLogan

Evaluate your six trig functions when given cotangent and a constraint on cosine

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Instructional Video3:47
Brian McLogan

Learning how to solve an equation using the sum and difference formulas for sine

12th - Higher Ed
πŸ‘‰ Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Instructional Video3:25
Brian McLogan

How to find the angle between two vectors and dot product

12th - Higher Ed
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...
Instructional Video5:38
Brian McLogan

How to apply the remainder theorem by evaluating and synthetic division

12th - Higher Ed
πŸ‘‰ Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Instructional Video1:57
Brian McLogan

Subtract two quadratic equations to determine the domain

12th - Higher Ed
πŸ‘‰ Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Instructional Video2:29
Brian McLogan

Learn how to subtract two vectors graphically

12th - Higher Ed
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Instructional Video2:56
Brian McLogan

Learn how to horizontally and vertically shift a polygon

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video3:26
Brian McLogan

How to reflect a trapezoid over the y=x axis

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video2:38
Brian McLogan

Solve an equation using the square root method

12th - Higher Ed
πŸ‘‰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...
Instructional Video1:17
Brian McLogan

How to reflect a hexagon over a line of symmetry

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video5:06
Brian McLogan

Finding the x and y intercepts and then graphing the equation using the intercepts

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Instructional Video3:17
Brian McLogan

What are compound inequalities

12th - Higher Ed
πŸ‘‰ Learn all about solving and graphing compound inequalities. An inequality is a statement in which one value is not equal to the other value. A compound inequality is a type of inequality comprising of more than one inequalities. To...
Instructional Video7:00
Brian McLogan

Solving logarithmic equations by factoring

12th - Higher Ed
πŸ‘‰ Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Instructional Video6:13
Brian McLogan

Learn how to find the angle between two vectors

12th - Higher Ed
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Instructional Video3:36
Brian McLogan

How to determine the resultant vector algebraically and geometrically

12th - Higher Ed
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Instructional Video1:40
Brian McLogan

Evaluate the limit of a rational expression by applying direct substitution

12th - Higher Ed
πŸ‘‰ Learn all about the Limit. In this playlist, we will explore how to evaluate the limit of an equation, piecewise function, table and graph. We will explore continuity as well as discontinuities such as holes, asymptotes and jumps and...
Instructional Video1:30
Brian McLogan

Evaluating Inverse Trigonometric Functions

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video2:11
Brian McLogan

Evaluate the six trig functions when given an angle in radians

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...