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Math Fortress
Differential Equations: Implicit Solutions (Level 2 of 3)
This video introduces the basic concepts associated with solutions of ordinary differential equations. This video goes over 2 examples illustrating how to verify implicit solutions, find explicit solutions, and define appropriate...
Brian McLogan
What is standard form of a quadratic equation
π Learn the essentials for graphing a quadratic equation. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Catalyst University
Geometry | The Super-Pythagorean Theorem [Diagonal of a Prism]
In this video, we calculate the length of the diagonal in a rectangular prism using the Super-Pythagorean Theorem [with example].<br/>
Brian McLogan
Find the distance between two coordinate points ex 2
π Learn how to find the distance between two points. The distance between two points is the length of the line joining the two points in the coordinate plane. To find the distance between two points in the coordinate plane, we make use...
KnowMo
Introduction to Direct Proportion
This video explains the concept of direct proportion and how to solve problems related to it. The lecturer explains the mathematical language associated with direct proportion and provides examples where it can be applied. The video then...
KnowMo
Multiplying Across a Single Bracket: Techniques and Examples
The video is a lecture on how to multiply across a single bracket in algebra. The presenter explains the meaning behind brackets in algebraic expressions and gives an example to demonstrate this. The video then goes on to explain a...
Brian McLogan
Rewriting an equation so that they have same base and you can solve, 16^(2x)=(1/8)^(x+3)
π Learn how to solve exponential equations involving fractions. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we make the base of both sides of the equation to be...
Brian McLogan
Condensing a large logarithmic expression to one single logarithm
π Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Brian McLogan
How to find the focus and directrix when your vertex is at origin
Learn how to graph a vertical parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be vertical if it opens up or opens down. A vertical parabola results from a quadratic equation in which the x...
Brian McLogan
Learn to Graph a Piecewise Function With Three Equations
π Learn how to graph piecewise functions. A piecewise function is a function that has more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Brian McLogan
Learn how to write the equation of a parabola given vertex and directrix
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Brian McLogan
Determine if the rational function is even or odd
π Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Brian McLogan
Conics given the endpoints of a circle find the equation
Learn how to write the equation of a circle given different pieces of information. When writing the equation of a circle you will be work from the general equation of a circle and plug in our given information such as the radius, center,...
Brian McLogan
Learn how to evaluate the six trig functions given an equation and constraint
π Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Brian McLogan
How to use the law of cosines with your calculator (SAS)
How to use the law of cosines with your calculator (SAS)
Brian McLogan
Prove an identity by adding two fractions
π Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Using Square Numbers to Simplify Radicals, Root(40)
π 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
Using operations to simplify polynomials
π Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Brian McLogan
How to add polynomials with grouping symbols
π Learn how to add polynomials. To add polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have...
Brian McLogan
Dividing a radical expression
π Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Brian McLogan
Learn how to add polynomials
π Learn how to add polynomials. To add polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have...
Brian McLogan
How do You Factor a Quadratic When a is not One
πLearn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Using the difference of two squares to factor a binomial
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Brian McLogan
Solving by factoring with a is greater than 1 to find the zeros
πLearn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...