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When two lines intersect, the point of intersection will be a finite set of coordinates which can be obtained from the equation of either line. A sketch of the the functions will help you identify how man...

For a substance to melt or boil, heat energy must be supplied. This is to overcome Van der Waals forces. As the length of a chain increases, there are more Van der Waals forces present due to the chain ge...

1. Set the equation equal to 0, which would be 5x^2 +x - 4 = 02) Split the equation into 2 brackets. To do this, one bracket will be (5x+ or - something) and the other will be (x + or - something), as ...

In 'An Inspector Calls', J B Priestly explores the theme of remorse in many different ways. Through the characters of Mr and Mrs Birling, Priestly illustrates how privilege and prejudice from the older ge...

An action potential (AP) reaches the pre-synaptic membrane. This causes the voltage-gated calcium channels to open, and calcium ions flow down their concentration gradient into the pre-synaptic terminal. ...