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Solve 4x^2 - 3x - 4 = 0

There are two different methods of solving this equation and it is important to find the method that you find easiest.

The first method is to split up the numbers and the letters on both sides of t...

OH
Answered by Oliver H. Maths tutor
4959 Views

The circle c has equation x^2+y^2 = 1 . The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.

When approaching intersection problems, it is important to have both equations and solve them by substituting one into the other or simultaneously. First we need to find the equation of the line l since w...

ET
Answered by Ellen T. Maths tutor
3825 Views

How can I improve my understanding of spoken French?

If you're planning on spending some time in France - and with the French, understanding spoken French is essential. Thankfully, there are not nearly as many accents in France as there are in the English-S...

AD
Answered by Agathe D. French tutor
2013 Views

Susan is researching the population growth of a city. She proposes that x, the number of people in the city, t years after 2017 is given by x=250,000e^(0.012t) A.population in 2017 B.population in 2020 C.During which year would the population have doubled

A. t=0 ; x=250,000 B. 2020, so t=3. plug in to equation > x=250,000e^(0.012)3 = 259,163 (people so cannot round up) C. Population to double so 500,000 = 250,000e^(0.012)t -> 1/0.012(ln2) = t t= 57.7...

JG
Answered by James G. Maths tutor
4419 Views

How would I analyse an unseen poem in an exam?

  1. What is the poem actually about? - what is the subject/content? - first impressions/surface-level ideas - then second thoughts/ is there a subtext? Is the poem what you initially thought it was abou...
EG
5303 Views

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