We learn about the Binomial Distribution, the probability distribution formula (pdf). The formula is explained clearly using a simple example with a tree diagram and illustrated with 2 examples.
IB SL Mathematics and IB HL Mathematics students must know t...

From Math 4IB

Learn how to determine if two planes are parallel, or coincident, and how to distinguish the two cases. When two planes don't intersect along a line, they are either parallel or coincident. We learn a step-by-step method for defining and distinguishing th...

From Math 4IB

Learn how to calculate the distance of a point from a plane in 3D. This is part of the IB HL Math course on Vectors and is a must-know exercise. We learn a four-step method by working through a detailed example, in which we clearly explain each step. This...

From Math 4IB

We learn how to find the point of intersection of two lines in 3D, written in their vector form. We start by writing each of the lines in their parametric equations, we then use two of the three equations to solve for the unknown parameters and then use t...

From Math 4IB

Learn how to start your page numbering on a different page than page 1 in Word, with a Mac.
For your Extended Essay this is particularly useful as your page numbering should start on your introduction page, not on the cover page, nor the table of contents...

From Math 4IB

We learn how to recognize when two lines, written in their vector equations, are parallel. There is no point of intersection and the simultaneous equations have no solution. We start by writing the line equations in their parametric form and attempt to so...

From Math 4IB

We learn how to recognize when two lines, written in their vector equations, intersect in an infinite number of points. The two lines coincide and the simultaneous equations have an inifinite number of solutions....

From Math 4IB

We learn how to find the coordinates of the point of intersection of two lines, written in their vector equations. We see that we start by writing each of the two lines in their parametric form and then solve the equations simultaneously....

From Math 4IB

Two must know exercises, we learn how to find the vector of a plane, given the coordinates of three points contained in the plane, we also learn how to find the vector equation of a plane given the equation of two non-collinear lines contained in the plan...

From Math 4IB

We correct a typical IB Math Studies Exam Question involving Quadratic Functions and the parabola. How to find the value of coefficients of the quadratic, given the coordinates of two of its points....

From Math 4IB

We learn about Differentiating Negative Powers of x. Any function with a power of x on its denominator can be written as a negative power of x, we can then differentiate that function using our method for differentiating powers of x....

From Math 4IB

We correct a typical IB Math Studies Exam Question involving Quadratic Functions and the parabola. How to find the value of coefficients of the quadratic, given the coordinates of two of its points....

From Math 4IB

Learn how to resize a picture file on a Mac. How to reduce the file size of a picture (jpeg, png, jpg) using Preview. Preview is installed on all Apple Computers.
It is important to know how to do this when creating a document with many pictures. This wil...

From Math 4IB

Learn how to reduce the file size of a pdf document, using Preview on a Mac. Preview, is installed on every Mac Computer. It is important to do this when uploading, or sending your assignments or large files....

From Math 4IB

In this video we correct the quiz, which was to my IB HL students (first year). It was their first quiz on the topic of differentiation.
We correct questions on: the power rule for differentiation, with positive, negative and fractional powers of x as wel...

From Math 4IB

This video is about Laws of Logarithms. We learn about each of the three essential laws of logarithms : adding logarithms, subtracting logarithms and multiplying logarithms by a scalar. All of these laws apply if the logarithms are all written in the same...

From Math 4IB

This video is about Properties of Logarithms. We learn that the logarithm of 1 is always equal to 0, as well as learn why the logarithm of 0 is undefined and why logarithms are undefined for negative numbers. Suitable for IB SL Mathematics and IB HL Mathe...

From Math 4IB

This video is about Laws of Exponents. We learn the three fundamental laws of exponents, or powers of numbers, as well as learn why any non-zero number raised to the power 0 equals to 1. Suitable for IB SL Mathematics and IB HL Mathematics. www.math4ib.co...

From Math 4IB

This video is about Expoentail Equations with Hidden Quadratics. We'll learn how to solve exponential equations, with more than 2 terms. Suitable for IB HL Mathematics, IB Standard Level Mathematics. www.math4ib.com...

From Math 4IB