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First of all, when we expand brackets we know that the x will be at the start of the brackets (x )(x )= 0 Look a the equation again, x 2 +5x+6=0. All of our numbers are positive so we know that we don't need...

Alleles are different versions of a gene. A gene is the piece of DNA which carries information in the form of a sequence of amino acids. For every gene that we have, we carry 2 alleles which could be the sam...

Some students struggle to solve equations with unknowns on both sides. I think the easiest way to solve these types of equations is to use the balance method. This is where you treat the equation like a weig...

​​​​​ Read the poem twice and think about any key themes that first jump out at you. After carefully reading the poem begin to annotate it, paying particular attention to any literary devices used by the poe...

All prepositions in German will be followed by a case, either Dative or Accusative. Some of these are always the same, for example, "nach" (after/according to) will always be followed by the Dative...