This exercise will help you rearrange some complex equations.

Practice of conversion between SI units of mass, volume & length.

Students enter equation and turning point

Example of a dilution calculation involving mass concentration and molarity calculations.

Addition Formulas in Trigonometry. Range of Sinusoidal functions. 

Scores  in 20 games and frequency given -- calculate mean.

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Scores  in 20 games and frequency given -- calculate mean.

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Mean, median and mode from a frequency table with classes 1(b)

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This exercise will help you solve equations of type ax-b = c.

Demonstrates that the marking algorithm for "match text pattern" parts doesn't put quotes around substituted strings any more.

A set of MCQ designed to help Level 2 Engineering students prepare/practice for the on-line GOLA test that is used to assess the C&G 2850, Level 2 Engineering, Unit 202: Engineering Principles.

These questions are designed to give students on questions to do with statistics. They are basic but gives a small understanding on mean, variance and standard deviation. There are also some definitions.

Solve: $\displaystyle \frac{d^2y}{dx^2}+2a\frac{dy}{dx}+(a^2+b^2)y=0,\;y(0)=1$ and $y'(0)=c$. 

Solve: $\displaystyle \frac{d^2y}{dx^2}+2a\frac{dy}{dx}+(a^2+b^2)y=0,\;y(0)=1$ and $y'(0)=c$. 

Find the solution of a constant coefficient second order ordinary differential equation of the form $ay''+by'+cy=0$.

Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.

This question tests the students ability to factorise simple quadratic equations (where the coefficient of the x^2 term is 1) and use the factorised equation to solve the equation when it is equal to 0.

Add, subtract, multiply and divide algebraic fractions.

Add, subtract, multiply and divide numerical fractions.

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Mean, median and mode from a frequency table with classes 1(b)

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Simple Indefinite Integrals

Simple Indefinite Integrals

Compare two savings accounts with different interest rates.

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Simple Indefinite Integrals

Simple Indefinite Integrals

Simple Indefinite Integrals

Simple Indefinite Integrals