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Solve 5x - 2= 3x + 7

1 - First we need to get all the x values on one side and all the numbers on the otherside of the equals sign. 2 - We then need simplify the equation to get 1 x. Solve 5x - 2= 3x + 7 1 - Remember, whatever y...
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Answered by Gadah A. • Maths tutor
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Find the equation of the tangent to the curve y=x^3-4x^2+2 at the point (3,-7)

y=x 3 -4x 2 +2A tangent to a curve at a specific point along the line will have excatly the same gradient as the curve at that point. For example if the point was (0,0) the tangent would just be a horizontal...
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Answered by Daniel W. • Maths tutor
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Factorise 2b^2 + 6b

1 - We first need to find a common factor, something that is the same in both parts of the expression. 2 - Then we need to take this out of the expression by dividing both parts of the expression by the comm...
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Answered by Gadah A. • Maths tutor
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Mark wants to borrow money to buy a car. His bank offers him a loan of £5,000 to be payed back over 3 years at 4% compound interest. a) Work out the interest acquired in the 2nd year. b) In total how much will Mark end up paying back the bank?

In questions concerning compound interest , interest is added to principle sum at the end of each year. Therefore, the interest increases each year as you are paying interest on interest . a) To work out the...
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Answered by Laura M. • Maths tutor
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How to get A and A* in Maths?

It may sound cliched - however to get the highest marks in Maths at A levels means going beyond your exam board! Do not just rely on the past paper questions from your exam board but try a few papers from th...
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Answered by Arth D. • Maths tutor
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