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The gradient is always the number in front of the x, in this case it will be 3. Whereas for the y-intercept, it will always be the value that y equates to when x=0, in this case the y-intercept is (0,4).

To do this question you would use the FOIL method. This is short for 'First, Outside, Inside, and Last'. First you multiply the first two values (the x's) from each bracket, then you multiply the outside val...

Diffusion is a passive process, this means that no energy is required, where there is a net movement of particles from an area of high concentration to an area of low concentration down the concentration gra...

an enantiomer is two molecules that are mirror images of each other, the best way to visualise it is to draw the molecule in a tetrahedral shape around the central carbon atom, then draw a line down the page...

I think the clearest access point when starting to unpick a new text is through identifying key themes, motifs and patterns, which can be pretty easy once you know what you're looking for. There are a couple...