Instructional Video1:31
Brian McLogan

Learn how to determine the domain from a rational function

12th - Higher Ed
πŸ‘‰ Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Instructional Video4:34
Brian McLogan

How to apply the quadratic formula to solve for two real solutions

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 Video1:59
Brian McLogan

Evaluating a piecewise function for a value

12th - Higher Ed
πŸ‘‰ Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...
Instructional Video6:28
Brian McLogan

Learn how to use quadratic formula to determine the roots of an 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 Video2:43
Brian McLogan

How to solve a quadratic by 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 Video1:34
Brian McLogan

How to determine if a function y varies directly with x from a table

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 Video1:24
Brian McLogan

How to write nth term of a geometric sequence given 1st term and ratio

12th - Higher Ed
πŸ‘‰ Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Instructional Video1:52
Brian McLogan

Learn how to condense logarithmic expression to one log

12th - Higher Ed
πŸ‘‰ Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Instructional Video0:46
Brian McLogan

Given the ratio and first term of a geometric sequence write the rule for nth term

12th - Higher Ed
πŸ‘‰ Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Instructional Video1:41
Brian McLogan

Condense a logarithmic expression with product and quotient

12th - Higher Ed
πŸ‘‰ Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Instructional Video1:15
Brian McLogan

How to determine the domain of addition of two rational functions

12th - Higher Ed
πŸ‘‰ Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Instructional Video0:51
Brian McLogan

Learn how to condense natural logs separated by subtraction

12th - Higher Ed
πŸ‘‰ Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Instructional Video1:27
Brian McLogan

How to condense a logarithmic expression with three logs

12th - Higher Ed
πŸ‘‰ Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Instructional Video7:59
Brian McLogan

Given a point find the six trigonometric functions of the angle

12th - Higher Ed
πŸ‘‰ Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Instructional Video1:06
Brian McLogan

How to solve a quadratic by factoring a GCF from two terms

12th - Higher Ed
πŸ‘‰Learn 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...
Instructional Video34:20
Brian McLogan

What you Need to Know about Functions for Pre-Calculus

12th - Higher Ed
What you Need to Know about Functions for Pre-Calculus
Instructional Video3:44
Brian McLogan

What are zeros of a polynomial

12th - Higher Ed
πŸ‘‰ Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Instructional Video4:24
Brian McLogan

Using operations to simplify polynomials

12th - Higher Ed
πŸ‘‰ Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Instructional Video0:51
Brian McLogan

Applying the product rule to simplify an expression with exponents

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions using the product rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common base and an exponent which is the sum of...
Instructional Video3:42
Brian McLogan

Summary solving by factoring a quadratic when a=1

12th - Higher Ed
πŸ‘‰Learn 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...
Instructional Video1:46
Brian McLogan

Dividing two rational expressions by factoring

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Instructional Video1:34
Brian McLogan

How to determine the infinite sum of a geometric series

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video3:46
Brian McLogan

How to determine the sum of a finite geometric sequence

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:24
Brian McLogan

Solving a quadratic mentally by factoring

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...