coordinates of the vertex of the parabola with equation y – x2 – 6x + 14. (Total 4 marks) 2. The diagram shows the graph of the function y = ax2 + bx + c. Complete the table below to show whether each expression is positive‚ negative or zero. Expression|positive|negative|zero| a|||| c|||| b2 – 4ac|||| b|||| (Total 4 marks) 3. The diagram shows the parabola y = (7 – x)(l + x). The points A and C are the x-intercepts and the point B is the maximum point. Find the coordinates of A
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There are two forms of homeostasis‚ positive feedback and negative feedback. The type of feedback which is most common is negative feedback. This works by making the levels that have changed return back to normal. Positive feedback is the least common type of feedback. This is where one component escalates to another which continues to escalate to another. In positive feedback the level of control the component does not return to normal straight away. Negative feedback is usually what happens inside
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Operant Conditioning Conditioning Project AP Psychology Operant Conditioning is a process of behavior modification in which the likelihood of a specific behavior increased or decreased through positive or negative reinforcement each time the behavior is exhibited‚ so that the subject comes to associate the pleasure or displeasure of the reinforcement. An early theory of operant conditioning was proposed my Edward Thornlike‚ he used instrumental learning because the response
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Internet and Education: Positive or Negative Aspect? The Internet started to boom in the 1990’s and has continued to evolve ever since. Today the concept of what was thought to be one of the greatest inventions has blown this old-time invention out of the water. In order for the Internet to be accessible a computer device is needed. Today on we can carry the Internet in our hands with wireless access; as before it was a fixed machine usually on a desk with multiple cords attached. Noting that the
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In Ancient Greece‚ the geography has played a huge role in the development of the country‚ in both positive and negative ways. Positive impacts have made developments to things like trade development‚ religion‚ and city-states. Negative impacts that have hurt Greece are the volcanic zone‚ and the actual land that makes up the country of Greece. The first positive effect geography had on Greece was the mountains throughout Greece. The mountains were difficult to cross so the Greeks had to use the
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important in modern society. But‚ what should we do to respond to the work of other people? Should we give positive feedbacks or negative opinions? Will the negative words hurt our colleagues? Many people feel puzzling on these questions. I do believe that both positive and negative feedbacks have their applications and advantages. And the most important thing is to treat our friends sincerely. Positive feedbacks can make people happy and fulfill their requirement of achievement. It’s the nature of human
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Positive and Negative Effects of Hormonal Contraceptives This paper closely discusses both the positives and negatives of the use of hormonal contraceptives. The question of its benefits versus risks is even more imperative as it affects far more people than other hot topics like death penalty or euthanasia. We are not talking about a couple of horrific criminals but about 100 million women all across the world who take hormonal contraceptives. As with every drug there are
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Industrialization has been a key factor in the development of nations worldwide. Like every movement‚ industrialization is followed by both positive and negative effects. The industrialization of Russia was no exception to this theory. In 1861‚ under the rule of Alexander II‚ Russia moved into an active period of social and political reform that established the base for industrialization. It wasn’t until the 1890’s that Russia finally entered the industrial age. This was due‚ in part‚ to the fact
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opportunities to China. Negatively‚ while American NBA players come to China‚ they take the opportunities away from young Chinese players and allow CBA lose the competition and challenges. Central Idea The NBA affects China and brings some both positive and negative influence to China. Preview We should know some information about the NBA‚ the CBA and how the NBA effects the China. Body Outline Ⅰ.Affect Chinese people‚ especially this generation of young people in China. A. For me‚ I have been watching
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Spanish exploration had both negative and positive consequences toward the Native Americans‚ and Europeans. One of the positive consequences was that tobacco was the main source of money‚ which made the economy grow since it grew at an alarming rate. There were negative consequences though‚ like‚ cancer from the tobacco. Although there were positive effects of the Columbian Exchange‚ the negatives were more significant. Spanish exploration had many negatives. First‚ there were diseases. Diseases
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