How do I solve polynomial inequalities? STEP 1:?Rearrange?the inequality?so that?one of the sides is equal to zero For example:?P(x) ≤ 0 STEP 2: Find the?roots?of the polynomial You can do this by ...
Edexcel IGCSE Biology 復習筆記 5.3.2 Genetic Engineering: Insulin Manufacturing Insulin The gene for?human insulin?can be inserted into?bacteria?which then produce human insulin which can be...
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How can I solve inequalities graphically? Consider the inequality?f(x) ≤?g(x), where?f(x) and?g(x) are functions of?x if we?move?g(x) to the LHS?we get f(x) –?g(x) ≤ 0 Solve?f(x) –?g(x) = 0 to?find...
Edexcel IGCSE Biology 復習筆記 5.3.1 The Process of Genetic Engineering The Process of Genetic Engineering The gene that is to be inserted is located in the original organism Restriction enz...
Edexcel IGCSE Biology 復習筆記 5.2.1 Selective Breeding Selective Breeding in Animals Selective breeding or artificial selection means to?select individuals with desirable characteristics an...
How do I find the sum & product of roots of polynomials? an??is the coefficient of the?leading term an-1??is the coefficient of the?xn-1?term Be careful: this could be equal to zero a0?is the?c...
Edexcel IGCSE Biology 復習筆記 5.1.6 Fish Farming Fish Farming Benefits of fish farming Most fish are still caught in the wild (i.e. in the open ocean or in freshwater rivers and lakes) However,?ov...
Edexcel IGCSE Biology 復習筆記 5.1.5 Bacteria in Food Production Bacteria in Food Production Microorganisms?can be used by humans to produce foods and other useful substances As well as fung...
In exams you’ll commonly be asked to sketch the graphs of different polynomial functions with and without the use of your GDC. What’s the relationship between a polynomial’s degree and its zeros? I...
What is polynomial division? Polynomial division is the process of?dividing two polynomials This is usually only useful when the?degree of the denominator?is?less than or equal?to the?degree of the...
很多人都覺得，英國文化的精髓，并不是在繁華的市中心熙熙攘攘的街道上，而是在英國那些最僻靜的小城小鎮中，約克就是其中之一。它的歷史在這里沉淀，很多人一來到這里就愛上了這里。除了優美的風景，這里也是一...
