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Maths
A Level

How do you calculate the angle between two vectors?

The formula axb = |a||b|sinθ is given in the formula bookletTherefore, θ, the angle between both vectors a and ...

Answered by Gabriel Thomas N. Maths tutor
3448 Views

Using answer to previous question state the coordinates of the minimum

From previous question y=2(x+2)2-1Minimum would be when (x+2)2 is at it's smallest value, in this case when (x+2)=0 since any other value squared would be greater than 0. This occurs...

Answered by Matilda C. Maths tutor
2545 Views

Express 2x^2 +8x +7 in the form A(x+B)^2 + C, where A, B and C are constants

2x2+8x+7=2(x2+4)+7=2((x+2)2-4)+7=2(x+2)2-8+7=2(x+2)2-1A=2, B=2, C=-1

Answered by Matilda C. Maths tutor
7634 Views

How do you find the stationary points of a graph?

Start by drawing an example graph which contains stationary points, use this to explain what a stationary point is. Explain how we could manipulate the graph to identify these points (explaining different...

Answered by Harrison L. Maths tutor
2484 Views

How do you sketch the graph of a function?

To sketch a graph, you can follow the steps below, spiking some of them if not needed or not applicable:0 Clean up the function (makes following steps easier).1 Determine the maximum domain of definition ...

Answered by Tudor D. Maths tutor
3090 Views

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