Instructional Video10:34
The Daily Conversation

How Governments Encourage Renewable Energy and Electric Vehicles

6th - Higher Ed
Burning coal and natural gas to make electricity causes the most pollution globally, but policies like feed-in tariffs and renewable energy standards help encourage the switch to wind and solar. Texas has been successful in growing clean...
Instructional Video3:59
Brian McLogan

Finding a rule from a table using addition and subtraction - Help on math

12th - Higher Ed
πŸ‘‰ How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear...
Instructional Video2:02
Brian McLogan

Solving a linear system by 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 Video4:39
Brian McLogan

Summary for writing the equation of a line perpendicular to another through a given point

12th - Higher Ed
πŸ‘‰ Learn all about writting the equation of a line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can write the...
Instructional Video5:30
Brian McLogan

How to Math - Solving a system of equations by 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 Video8:13
Brian McLogan

Find the area enclosed by the two curves using your calculator

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...
Instructional Video3:35
Brian McLogan

Solve the system of equations by 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 Video3:53
Brian McLogan

What do I need to know to write the equation of a perpendicular line through a point

12th - Higher Ed
πŸ‘‰ Learn all about writting the equation of a line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can write the...
Instructional Video3:57
Brian McLogan

Solve a system of 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 Video5:00
Brian McLogan

Graphing a system of inequalities when one inequality is a vertical boundary line

12th - Higher Ed
πŸ‘‰ Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Instructional Video0:58
Brian McLogan

Given the magnitude and direction of a vector find it's components

12th - Higher Ed
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Instructional Video6:49
Brian McLogan

Solve a system of equation by 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 Video3:20
Brian McLogan

What do I need to know to write the equation of a parallel line through a given point

12th - Higher Ed
πŸ‘‰ Learn all about writting the equation of a line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can write the...
Instructional Video4:11
Brian McLogan

What are perpendicular lines

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 Video3:58
Brian McLogan

Solving systems of equations tutorial with 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 Video2:19
Brian McLogan

How to evaluate a piecewise function

12th - Higher Ed
πŸ‘‰ Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...
Instructional Video3:14
Brian McLogan

Write the first five terms of a sequence with factorials

12th - Higher Ed
πŸ‘‰ Learn how to find the first five terms of a sequence. Given an explicit formula for a sequence, we can find the nth term of the sequence by plugging the term number of the sequence for n in the given formula. When n = 1, 2, . . ., 5...
Instructional Video5:56
Brian McLogan

How to solve a system using substitution no solution

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 Video2:45
Brian McLogan

How to write the equation of a line parallel to another through a given point

12th - Higher Ed
πŸ‘‰ Learn all about writting the equation of a line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can write the...
Instructional Video2:32
Brian McLogan

How to Evaluate a piecewise function

12th - Higher Ed
πŸ‘‰ Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...
Instructional Video2:20
Brian McLogan

ACT SAT Prep Learn how to evaluate an expression for a given value

12th - Higher Ed
ACT SAT Prep Learn how to evaluate an expression for a given value
Instructional Video3:10
Brian McLogan

How to evaluate a quadratic function

12th - Higher Ed
πŸ‘‰ Learn how to evaluate a function and for any given value. For any function, f(x) x is called the input value or the argument of the function. To evaluate a function, all we have to do is to change the argument of the function from x to...
Instructional Video4:18
Brian McLogan

Master How to write the equation of a line in slope intercept form given m and b

12th - Higher Ed
Master How to write the equation of a line in slope intercept form given m and b
Instructional Video2:36
Brian McLogan

How to evaluate a piecewise function given different values

12th - Higher Ed
πŸ‘‰ Learn how to evaluate a piecewise function. A piecewise function is a function which uses different rules for different intervals. When evaluating a piecewise function, pay attention to the constraints of each function as you can only...