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7x+y=1 (1)  ->   y= 2x² - 3 (3)

7x + 2x² -3-1=0 -> (2x-1)(x+4)=0 so 2x-1=0 so 2x=1 so x=0.5 and x+4=0 so x=-4

7(0.5)+y=1 so y=1-3.5 so y=-2.5 and 7(-4) +y=1 so -2...

Thermoregulation is an example of homeostasis - the process by which the body maintains an optimum state. The body must maintain a stable temperature because extreme lows and highs of temperature can affe...

Although this may seem daunting, all it takes is preparation and careful planning. Remember to ground your answer in close reading, and do not make assumptions. Choose 2 of the extracts to compare, the qy...

Loss of human life is explored by both poets. Larkin's 'Love Songs in Age' depicts a lady who has lost someone she cared for and the lost love is kept alive through the songs. The short declarative: 'the ...

When you multiply two numbers that are the same with different exponents, the number can remain the same and the exponents are added. That is an exponents rule. This means that the answer is p^7