Brian McLogan
What do I need to know to solve a quadratic
👉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...
Brian McLogan
Using the quadratic formula to find the zeros of a polynomial
👉 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...
Brian McLogan
Find the vertex and x intercepts of a quadratic
👉 Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Curated Video
Simplifying Expressions with Square Roots
In this video, the teacher explains how to simplify expressions involving square roots. They demonstrate how to identify perfect square factors and split the square root into smaller terms to simplify it. The teacher also explains the...
Math Fortress
GRE Arithmetic: Integers (Part 3 of 4)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of integers. Topics covered include: Division, Division as...
Curated Video
Identifying Exponential Growth & Decay Functions
In this lesson on exponential growth and decay, students will learn to identify and interpret exponential functions. The teacher explains the characteristics of exponential growth and decay functions using real-world examples such as...
The Wall Street Journal
The Bailout & The CFO
What does the government's big economic rescue plan mean for business, and how might it enhance or hobble the landscape for enterprise in years to come?
Brian McLogan
Factoring Blitz # 3 - Factoring Trinomials a = 1
👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Brian McLogan
Find the foci vertices and center of an ellipse by completing the square
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...
Brian McLogan
Find and classify the discontinuity of the rational function
👉 Learn how to classify the discontinuity of a function. A function is said to be discontinuos if there is a gap in the graph of the function. Some discontinuities are removable while others are non-removable. There is also jump...
Brian McLogan
How to take the square root of a number using prime factorization, sqrt(64)
👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Brian McLogan
Learn how to simplify the product of square root of two numbers ex 4, -3root(12).root(7)
👉 Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
Factoring out the GCF to solve a quadratic equation
👉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...
Brian McLogan
Summary for solving a quadratic by factoring using various methods
👉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...
Brian McLogan
Learn how to factor an expression from a larger expression ex 32, y(y - 4) + (y - 4)
👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Brian McLogan
What are some tips to apply prime factorization to whole numbers
👉 Learn how to factor a number, variable, and monomial completely. To factor means to write our term as a product of its factors. Therefore we will learn how to break down a number, variable, and monomial into its factors.
Brian McLogan
Learn how to factor integers
👉 Learn how to factor a number, variable, and monomial completely. To factor means to write our term as a product of its factors. Therefore we will learn how to break down a number, variable, and monomial into its factors.
Science360
Peter Elmer of Princeton explains how data is critical to understanding fundamental physics
Peter Elmer of Princeton University explains how the Large Hadron Collider (LHC) is a Higgs boson factory, and why hunting through its data is like looking for a needle in a haystack. Elmer is the principal investigator on the $25...
Brian McLogan
Creating a factor tree to obtain the prime factorization of a number, 48x^4 y^3
👉 Learn how to factor a number, variable, and monomial completely. To factor means to write our term as a product of its factors. Therefore we will learn how to break down a number, variable, and monomial into its factors.
Brian McLogan
Adding fractions - Online tutor - Free Math Help
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Brian McLogan
Using Elimination to Solve Systems
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
Tutoring Session - Solving when you have a log on both sides
👉 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...
Brian McLogan
How to write an equation of an ellipse in standard form so you can graph
Learn how to graph vertical ellipse which equation is in general form. A vertical ellipse is an ellipse which major axis is vertical. When the equation of an ellipse is written in the general form, we first rewrite it in standard form...
Brian McLogan
How to evaluate for cosine using the sum and difference identities
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...