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Brian McLogan
How to divide two radical expressions by rationalizing denominator
π Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Brian McLogan
Breaking down a radical to simplify the expression root
π Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Factoring using difference of two squares, x^2 - 9, 16x^4 - 100y^2, 4(4x^4 - 25y^2)
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Brian McLogan
Learn to solve a proportion by determining & multiplying by LCD ex 14,(2xβ11)=5(xβ3)/11
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
Learn to solve a proportion by mulitplying both sides by the LCD (4x+5)/5 = (2x+7)/7
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
Solve a proportion by multiplying by the LCD ex 13, (2n - 9)/7 = (3 - n)/4
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
Factor 68 quadratics when a is not 1 | Skills Practice Worksheet
In this video I work through 68 examples of factoring quadratic expressions when a is not equal to one. The first couple of examples I explain the process of factoring by using the AC method and box method. I then help students learn the...
Brian McLogan
How to determine a simple rule for a sequence
π Learn how to write the explicit formula for the nth term of an arithmetic 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. An arithmetic...
Brian McLogan
Convert 300 degrees to radian measure
π Learn all about angles of trigonometry. In this playlist, we will explore what makes up an angle and how to graph an angle in degrees or radians to determine the quadrant. We will then take a look at angle relationships such as...
Brian McLogan
My Favorite TIPS with FRACTIONS
Yes we have a love hate relationship with fraction but it doesn't have to always be that way. In this video I am going to cover some of the best ways I like to address working with fractions.
Brian McLogan
Breaking down synthetic division step by step
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...
Brian McLogan
Master How to apply the dot product between two vectors
Master How to apply the dot product between two vectors
Brian McLogan
Subtracting two rational expression by rewriting the problem as addition
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...
Brian McLogan
Solving a quadratic equation by completing the square
π Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Brian McLogan
What are the transformations and graph of a logarithmic equation
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Use Distributive Property to Simplify an Expression with square roots
π Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply the sum/difference of two or more radicals, we make use of the distributive property to expand the product and then simplify the...
Brian McLogan
Multiplying radicals with imaginary numbers
In this video tutorial I show you how to multiply imaginary numbers. We will multiply monomials, binomials and trinomials together and then simplify. It is important when multiplying complex number that we simplify the answer and write...
Brian McLogan
Combining rational expression with unlike denominators
Learn how to add/subtract rational expressions with trinomials 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...
Brian McLogan
Learn how to simplify a complex fraction
π Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
How to graph a absolute function using a table
π Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent function of an absolute value equation is...
Brian McLogan
Find the domain and range of two functions dividing and composition
Find the domain and range of two functions dividing and composition
Brian McLogan
How do you determine the LCD of rational expressions
How do you determine the LCD of rational expressions
Brian McLogan
How do you add two basic rational expressions with unlike denominators
Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...