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First take the general form of a quadratic equation, ax^2+bx+c=0, this can be written in completed square form, (x+b/2a)^2-(b/2a)^2+c/a=0, rearranging gives, x=-b/2a +/-(b^2/4a^2-c/a)^1/2, which can be wr...

(a) (i) Use the Factor Theorem to show that x + 3 is a factor of p(x).

The Factor Theorem is derived from the remainder theorem. We know from the remainder theorem that by doing p(x)/(x – a) then w...

An indirect object pronoun replaces a noun that someone or something acts upon indirectly. The noun it replaces indirectly follows the verb, i.e. there is a preposition after the verb. For example: I read...

Während das Familienleben immer mehr von der Technologie wie z.b. Fernsehen, Tablets beeinflusst wird, wirkt es sich ziemlich positiv auf unser Alltagsleben. Es lässt sich erkennen, dass wir mit Netflix ...

Passive diffusion occurs without any transmembrane proteins being involved, the molecules cross the lipid bilayer following a concentration gradient (from the highest concentration to the lowest). Small u...