Brian McLogan
Convert a rectangular point to polar form
Learn how to convert points between rectangular and polar. Rectangular points measure the horizontal and vertical distance away from the origin whereas polar coordinates measure the direct distance and angle in standard position from the...
Brian McLogan
Find the roots of a quadratic using the quadratic formula
π 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Write the equation of the parabola for conic sections given vertex and focus (mistake)
Learn how to write the equation of a parabola given the vertex and the focus. 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). Recall...
Brian McLogan
Graph and identify the parts of a ellipse with vertical major axis
Learn how to graph vertical ellipse not centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major...
Brian McLogan
Graph and write the equation of the parabola given the focus and directrix
Learn how to write the equation of a parabola given the focus 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
Given the center, vertex and co vertex, write the equation of the ellipse
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
What are the trigonometric definitions of a right triangle
π Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...
Tarver Academy
How to Solve Fraction Inequality
In This Episode, Tyler Teaches Us About How to Solve Fraction Inequality
Brian McLogan
Determining If a 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
SAT ACT Prep Determine the slope of a line perpendicular to another line through two points
SAT ACT Prep Determine the slope of a line perpendicular to another line through two points
Brian McLogan
What is the standard form of a quadtratic
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...
Brian McLogan
Graphing a quadratic function in standard form
π 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...
Brian McLogan
Determine the vertex and domain and range of a function
π Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Brian McLogan
Using the sine function to find the missing length of the hypotenuse
π Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Brian McLogan
How to write an ellipse in standard form to find the center, foci and vertices
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Brian McLogan
Write the equation of an ellipse given the vertices and co vertices
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
Write the equation of an ellipse given the center, vertex, and co vertex
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Zach Star
These very strange universes could theoretically be possible
These very strange universes could theoretically be possible
Brainwaves Video Anthology
Stephen Ritz - Teachers Make a Difference - Robert Shetterly
Stephen teaches in Public School 55 in New York Cityβs South Bronx, the poorest Congressional District in America. His big idea β pioneered in the Bronx where 37% of residents are food insecure β is to grow food indoors and outdoors all...
Brian McLogan
How to use a 45 45 90 special right triangle to determine the sides of a triangle
π Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Brian McLogan
Determining that conditional and contrapositive are logically equivalent statements
π Learn how to show that two statements are logically equivalent. Two statements are said to be logically equivalent if they contain the same logical content. i.e. if both statements convey the same meaning. A conditional statement and...
Brian McLogan
Can vertical angles be supplementary
π Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
KnowMo
The Cosine Rule: How to Calculate Sides and Angles in Triangles
This video provides an electric presentation on the cosine rule, which is a key concept in trigonometry used to calculate side lengths and angles in triangles. The presenter explains how to label triangles accurately and use two formulas...