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In order to solve this trickier problem, the quadratic equation must be applied 
x=[-b +- sqrt(b^2-4ac)]/2a

Apologies for messy notation, full solution will be demonstrated during inter...

A parabola shape with x intercepts at x = -3 and x = 7 and the y intercept at y = -21

Factorise to get (x+3)(x-7)=0 
So you can see that x = -3 or x =7 

When seeing this sort of question, I would handle it by explaining what both a receptor and an effector is firstly and giving examples. Secondly, I would explicitly state the difference to make sure the a...

An endothermic process is one which cools as the reaction proceeds meaning that the entropy change of the reaction will be negative. These reactions may still be feasible as the spontaneous nature of a re...