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In order to find the intercepts of this curve, we first need to factorise the quadratic equation. We need to find 2 numbers that add together to equal -5 and those two same numbers multiply together to e...

Sometimes, a chance mutation in bacterial DNA allows certain bacteria to become resistant to certain types of antibiotic. When an antibiotic is given, only the non-resistant strains of bacteria will be ki...

Concave PPF diagram - point X anywhere on the curve, point Y strictly inside the curve. X is efficient because an increase in output of one good cannot be achieved without reducing the output of the other...

Ratio analysis is a numerical technique of re-expressing financial statements. It aids decision making by summarising and interpreting financial statements more easily. There are different sets of ratios,...

(x - 3)(x + 4) = 0 x=3 and x=-4