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Collecting Like Terms in Algebra: Simplifying Expressions
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...
Brian McLogan
Solving a quadratic equation for a variable
π 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...
Brian McLogan
Solving a two step equation
π 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...
Brian McLogan
Tutorial for writing the explicit formula of a arithmetic 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
Finding the rule for our sequence using multiplication and subtraction
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
How Do We Graph Sine with a Horizontal Shift to the Right
π 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...
Brian McLogan
Determine the smallest positive and negative coterminal angles in degrees
π 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....
Brian McLogan
Find a positive and negative coterminal angle for angle on the y axis
π 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...
Curated Video
Complete Java SE 8 Developer Bootcamp - Limitations of Collections
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...
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This clip is from the chapter "More with Collections" of the series...
Brian McLogan
Subtracting two rational trig expression to simplify
π 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...
Brian McLogan
What does it mean to combining like terms with roots
π 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...
Brian McLogan
Adding and subtracting radical terms
π 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...
Brian McLogan
Using two multiplier to solve using elimination 5g + 4k = 10, -3g - 5k = 7
πLearn 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
Pre-Calculus - How to add complex numbers - Free Math Help (4 + root(-5)) +( 2- root(-20))
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...
Brian McLogan
Pre-Calculus - Adding rational expressions with and imaginary conjugates 2i/(2+i) + 5/(2-i)
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...
Brian McLogan
Determining translations of exponential graphs
π 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)....