Instructional Video4:50
Brian McLogan

Solve trigonometric equation using identities and zero product property

12th - Higher Ed
πŸ‘‰ Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Instructional Video2:55
Brian McLogan

Learn how to add two vectors and graph their result

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 Video2:14
Brian McLogan

How to graph a polar point and then convert to rectangular form

12th - Higher Ed
How to graph a polar point and then convert to rectangular form
Instructional Video7:10
Brian McLogan

Graphing a quadratic using a table and axis of symmetry

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video6:49
Brian McLogan

Determine the vertices, foci and center by converting an ellipse to standard form

12th - Higher Ed
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Instructional Video2:34
Brian McLogan

How does the fixed point affect our rotation

12th - Higher Ed
πŸ‘‰ Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Instructional Video4:30
Brian McLogan

Solve a system of linear equations using substitution

12th - Higher Ed
πŸ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Instructional Video10:51
Brian McLogan

How to determine the foci vertices and center of an ellipse in general form

12th - Higher Ed
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Instructional Video4:51
Brian McLogan

How to write a vector in component form to find magnitude and angle

12th - Higher Ed
How to write a vector in component form to find magnitude and angle
Instructional Video7:05
Brian McLogan

Learn how to write an algebraic proof

12th - Higher Ed
πŸ‘‰ Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Instructional Video1:04
Brian McLogan

Evaluate an expression using the sum and difference of two angles

12th - Higher Ed
πŸ‘‰ Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Instructional Video3:16
Brian McLogan

How to find the slope of two line using slope formula

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:32
Espresso Media

Controlling the Narrative: Mugabe's Tactics for Maintaining Power

9th - 12th
This video explains how Mugabe neutralized the Nknomo threat, becomes president and tries to neutralize his people and control the media. He stopped freedom of speech and freedom of movement to maintain his ultimate...
Instructional Video2:17
Brian McLogan

Apply the properties of logs to simplify an expression

12th - Higher Ed
πŸ‘‰ Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Instructional Video6:10
Brian McLogan

Solving a logarithmic equation for x using 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 Video3:44
Brian McLogan

Find the values a and b that make the piecewise function continuous

12th - Higher Ed
πŸ‘‰ Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is...
Instructional Video1:42
Brian McLogan

Evaluating using special trig limits

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Instructional Video2:52
Brian McLogan

Left hand Limit of a rational function at a hole

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 Video1:37
Brian McLogan

How to find x for a secant and a tangent line of a circle

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video7:42
Brian McLogan

How to maximize an objective function for linear programming

12th - Higher Ed
Learn how to solve problems using linear programming. A linear programming problem involves finding the maximum or minimum value of an equation, called the objective functions, subject to a system of inequalities, called the constraints....
Instructional Video3:25
Brian McLogan

How to find the domain of a radical function

12th - Higher Ed
πŸ‘‰ Learn how to find the domain of a radical function. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a radical square-root function, there cannot be a negative number inside the...
Instructional Video1:49
Brian McLogan

Learn how to find the value a that makes the function continuous

12th - Higher Ed
πŸ‘‰ Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is...
Instructional Video7:03
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video2:44
Brian McLogan

How to graph 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...