Instructional Video9:48
KnowMo

Collecting Like Terms in Algebra: Simplifying Expressions

12th - Higher Ed
This video gives an overview and explanation of how to collect and simplify like terms in algebraic expressions. The presenter explains the importance of collecting like terms in order to make expressions simpler and shorter, and...
Instructional Video1:31
Brian McLogan

Solving a quadratic equation for a variable

12th - Higher Ed
πŸ‘‰ Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Instructional Video3:23
Brian McLogan

Solving a two step equation

12th - Higher Ed
πŸ‘‰ Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Instructional Video1:36
Brian McLogan

Tutorial for writing the explicit formula of a arithmetic sequence

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video2:20
Brian McLogan

Finding the rule for our sequence using multiplication and subtraction

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video7:25
Brian McLogan

How Do We Graph Sine with a Horizontal Shift to the Right

12th - Higher Ed
πŸ‘‰ Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Instructional Video2:59
Brian McLogan

Determine the smallest positive and negative coterminal angles in degrees

12th - Higher Ed
πŸ‘‰ Learn how to determine co-terminal angles given one angle. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle....
Instructional Video3:44
Brian McLogan

Find a positive and negative coterminal angle for angle on the y axis

12th - Higher Ed
πŸ‘‰ Learn the basics of co-terminal angles. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle. We measure angles...
Instructional Video5:20
Curated Video

Complete Java SE 8 Developer Bootcamp - Limitations of Collections

Higher Ed
Collections are unable to store primitives. However, the Java SE API provides "wrapper" classes which enable primitive values to be added to a collection.
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This clip is from the chapter "More with Collections" of the series...
Instructional Video4:35
Brian McLogan

Subtracting two rational trig expression to simplify

12th - Higher Ed
πŸ‘‰ Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video2:48
Brian McLogan

What does it mean to combining like terms with roots

12th - Higher Ed
πŸ‘‰ Learn the basics of simplifying radicals. A radical is an expression having the root/radical symbol. A radical expression can also be rewritten as an expression with fractional/rational exponent. The number outside the radical symbol...
Instructional Video4:39
Brian McLogan

Adding and subtracting radical terms

12th - Higher Ed
πŸ‘‰ Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video5:38
Brian McLogan

Using two multiplier to solve using elimination 5g + 4k = 10, -3g - 5k = 7

12th - Higher Ed
πŸ‘‰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...
Instructional Video3:44
Brian McLogan

Pre-Calculus - How to add complex numbers - Free Math Help (4 + root(-5)) +( 2- root(-20))

12th - Higher Ed
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can...
Instructional Video5:21
Brian McLogan

Pre-Calculus - Adding rational expressions with and imaginary conjugates 2i/(2+i) + 5/(2-i)

12th - Higher Ed
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can...
Instructional Video6:10
Brian McLogan

Determining translations of exponential graphs

12th - Higher Ed
πŸ‘‰ Learn all about graphing exponential functions. An exponential function is a function whose value increases rapidly. To graph an exponential function, it is usually useful to first graph the parent function (without transformations)....