Edexcel IGCSE Biology 復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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...
What is the factor theorem? The?factor theorem?is used to find the linear factors of?polynomial?equations This topic is closely tied to finding the?zeros?and?roots?of a?polynomial?function/equation...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.1.4 Anaerobic Respiration in Yeast Practical: Investigating Anaerobic Respiration in Yeast Yeast can respire?anaerobically?(without oxygen), breaking down gl...
What transformations do I need to know? How do horizontal and vertical transformations affect each other? Horizontal and vertical transformations?are?independent?of each other The horizontal transf...
