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Factorise Completely 8x^2 + 4xy

The answer is 4x(2x+y).The point of factorising is to find the common factor of the two variables in the original equation. Once we've found the common factor (4x in this instance), we bring it to the outsid...
YH
Answered by Yusef H. • Maths tutor
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Sodium atoms react with chlorine atoms to produce sodium chloride (NaCl). Describe what happens when a sodium atom reacts with a chlorine atom.

Sodium and chloride form an ionic bond. Therefore the sodium atom loses one electron from its outer shell and the chlorine atom gains one electron. As this happens, the electron is transferred from the sodiu...
DS
Answered by Dominic S. • Biology tutor
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When a nerve impulse arrives at a synapse, it causes the release of neurotransmitter from vesicles in the presynaptic knob. Describe how.

A nerve impulse is an electrical current that is transmitted down the axon of a neurone and to the synaptic knob. The impulse depolarises the membrane and causes a change in voltage across the membrane. This...
Answered by • Biology tutor
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Evaluate the extent to which the process of selecting presidential candidates is deeply flawed

The primary process is criticised for being undemocratic due to the amount of power elites have in it. Staggered primaries are also criticised as they over exaggerates the importance of unrepresentative stat...
AB
Answered by Alicia B. • Politics tutor
15839 Views

¿Qué te gusta hacer en tu tiempo libre?

This question is to help with the speaking exam for GCSE. It is a very common question asked by examiners as it allows the student to show off vocabulary that they have learnt and allows different tenses to ...
Answered by • Spanish tutor
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