Brian McLogan
Multiply by the conjugate to simplify a radical rational expression
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Brian McLogan
Multiplying two rational terms by simplifying
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
How to Find Square Roots
In this video lesson we will learn about square roots and how to find the square root of a perfect square. We will learn that the square root of any positive value has two square roots. We will discover the relationship between squaring...
Curated Video
Finding the Area of a Rectangle: Making Connections with Arrays
In this video, students learn how to find the area of a rectangle by connecting it to arrays. They understand that area is the space inside a closed shape and can be found by counting the square units that fit inside it.
Curated Video
Playing in the Park (Solve word problems to find the area of a rectangular shape)
Adam and Jack are playing in a small rectangular park... the length of this park is 7 yards and the width is 4 yards. What is the area of the park?
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Coordinates and Ratio - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Verifying trigonometric identities by multiplying two binomials
👉 Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Brian McLogan
Factoring using the difference of two squares Math help teacher
👉 Learn how to factor polynomials using the difference of two squares for polynomials raised to higher powers. 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...
Brian McLogan
Simplifying a rational radical expression by multiplying by the conjugate
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Brian McLogan
Write the equation of the polynomial given the zeros
👉 Learn how to write the equation of a polynomial when given complex zeros. Recall that 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. The...
Brian McLogan
Learning to solve rational equations in math class
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Brian McLogan
Multiplying a binomial by the conjugate to simplify with radicals
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Brian McLogan
Multiplying rational expressions
Learn how to multiply 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 multiply two rational expressions, we use the...
Curated Video
Finding the Area of a Rectangle Using Fractions
This video teaches how to solve a standardized math test question using fractions to find the area of a rectangular bathroom floor covered in square tiles. The video covers four parts, including finding the width of the floor, writing an...
Curated Video
How to Approximate Square Roots Without a Calculator
In this video lesson we will learn how to identify a non-perfect square. We will also learn how to identify what two consecutive integers a non-perfect square lies between. We will use this information to approximate the value to the...
Brian McLogan
Multiplying by your conjugate to simplify a rational trigonometric expression
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
How to simplify a trigonometric expression using difference of two squares
👉 Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
Solving a difference of two squares with a fraction, (1/25)h^2 - 16 = 0
👉Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Coordinates and Midpoints - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Multiply by the conjugate to rationalize the denominator
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...
Brian McLogan
How to write the equation of a polynomial given irrational zeros
👉 Learn how to write the equation of a polynomial when given irrational zeros. Recall that 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....
Brian McLogan
Factoring a perfect square trinomial with multiple variables
👉 Learn how to factor perfect square trinomials when there is more than one variable or raised to a higher power. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents...