Instructional Video4:54
Curated Video

Finding Zeros of a Quadratic Function by Factoring

K - 5th
In this video, you will learn how to identify the zeros of a quadratic function in standard form by factoring. By rewriting the function in factored form and setting it equal to zero, you can determine the values of X that make the...
Instructional Video4:55
Curated Video

Finding X-Intercepts of Quadratic Functions by Factoring

K - 5th
In this video, the teacher explains how to find the x-intercepts of a quadratic function by factoring. They clarify the difference between y-intercepts and x-intercepts and demonstrate how to use the zero product property to find the...
Instructional Video7:01
Brian McLogan

What do I have to know to graph a quadratic in standard form

12th - Higher Ed
πŸ‘‰ Learn the basics to understanding graphing quadratics. 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 Video5:04
Brian McLogan

Learn to write the resultant vector from the difference of two vectors

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 Video3:33
Brian McLogan

Solving a quadratic by applying the quadratic formula

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 Video5:41
Brian McLogan

How do I graph a quadratic 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 Video4:48
Brian McLogan

What is component form of a vector

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 Video13:07
Curated Video

Using Standard Form in Biology: Converting Large and Small Numbers for Easier Calculations

Higher Ed
This video is a lecture presentation on the use of standard form in biology. The presenter explains how to express very large and very small numbers in standard form using decimal numbers and powers of 10. The presenter also gives...
Instructional Video11:09
Brian McLogan

How to solve a word problem using vectors

12th - Higher Ed
How to solve a word problem using vectors
Instructional Video4:48
Brian McLogan

Solve a quadratic using the quadratic formula with complex answers

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 Video6:03
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 Video2:50
Brian McLogan

How do you determine if you have a linear equation

12th - Higher Ed
In this video series I show you how to determine if a relation is a linear relation. A linear relation is a relation where their are variables do not have negative or fractional, or exponents other than one. Variables must not be in the...
Instructional Video11:20
Curated Video

Using Standard Form in Physics Calculations

9th - Higher Ed
This video teaches how to express large and small numbers in standard form to make it easier to use them in physics calculations. The presenter gives examples of small numbers, such as the volume of mercury in a thermometer, and large...
Instructional Video6:56
Curated Video

Finding the Center and Radius of a Circle using Completing the Square

K - 5th
In this video, the teacher explains how to find the center and radius of a circle when the equation is in general form. By using the process of completing the square, the teacher demonstrates how to transform the equation into standard...
Instructional Video8:58
Brian McLogan

What are some of the characteristics of a parabola

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 Video9:57
Brian McLogan

How to use vectors to solve a word problem

12th - Higher Ed
How to use vectors to solve a word problem
Instructional Video2:32
Brian McLogan

How to eliminate the parameter with two trigonometric equations

12th - Higher Ed
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Instructional Video3:29
Brian McLogan

What do I need to know to graph an equation in standard form

12th - Higher Ed
πŸ‘‰ Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Instructional Video7:47
Brian McLogan

Overview of Parabolas - Online Math Tutor - Free Videos

12th - Higher Ed
In this math tutorial I will show you how to sketch a quadratic function, find the axis of symmetry, determine the y-intercepts and find the zeros or x-intercepts. To find the x-intercepts we use such methods as setting the equation...
Instructional Video2:33
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 Video5:41
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 Video11:52
Brian McLogan

Learn the basics to graphing a parabola in standard form

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 Video3:40
Brian McLogan

Given three real zeros, learn how to write the equation of a polynomial

12th - Higher Ed
πŸ‘‰ Learn how to write the equation of a polynomial when given rational 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...
Instructional Video4:35
Curated Video

Introduction to the Complex Number System

K - 5th
In this lesson, we explored the complex number system, which extends the real number system. We learned that complex numbers consist of a real part and an imaginary part, represented as a + bi, where a and b are real numbers and i is the...