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Maths
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The price of a pencil grows by 1%. What is the final crice if the initial price was £1?

1*1/100+1= 1.001

AR
Answered by A Rin J. Maths tutor
2616 Views

What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = xn ==> the derivative dy/dx = nxn-1 This means that dy/dx = 6x + 5 for this eq...

RH
Answered by Rishabh H. Maths tutor
5391 Views

How to plot quadratic functions, e.g. F(x)= x^2 + 2x +1

What we require to plot this graph are the following: the general shape of the graph, the intercepts with the x and y axes and the maximum point/minimum point. All functions with x2 as the high...

AS
Answered by Alexandra S. Maths tutor
4778 Views

What is the difference between the median and the mean values for this set of data: 11, 9, 21, 6, 18, 2, 17, 8, 7.

Median: Reorder the data in numerical order, then select the value that lies directly in the middle of the data line - if there is an odd number of data, the median value is the middle number and if there...

JM
Answered by James M. Maths tutor
2986 Views

How do you solve simultaneous questions?

When an equation has two or more variables, for example and x and y, more than one equation is need to solve it.  The number of equations needs is equal to the number of variables you have.  For example, ...

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Answered by Elise S. Maths tutor
3272 Views

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