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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In this essay I will discuss the adaptations on human evolution‚ this includes skin color‚ disease‚ Lactase Persistence‚ and the negative effects of the Neolithic Revolution. I will focus mostly on the diseased portion the most because this plays a vital role in natural selection. Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring (dictionary.com). Without disease natural selection would play less of a part in how species
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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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Work Arrangements Definition - Work arrangement can be defined as how a company’s structure is organised. It refers to how a company arranges their employees’ duties and schedules. They are work arrangements wherein employees are given greater scheduling freedom in how they fulfill the obligations of their positions. The various types of work arrangement are; job sharing‚ self-managed teams‚ work-schedules‚ off-site work‚ contract work. The aim of the various types of work arrangement is to rearrange
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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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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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of the everyday imposition of positive (rather than negative) labels are helping your kids think positive instead of negative even when they are doing wrong. One positive label is describing a kid as spirited instead of bad it gives strength to that child instead of awarding bad behaviors. As parents‚ we should use positive labels because negative labels puts us in a vicious cycle that make our kids feel negative about themselves. People should write down the negative label they use for their child
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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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