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GCSE

factorise and hence solve x^2 + 10x +18 = -3

x = -3 , x= -7

BW
Answered by Billy W. Maths tutor
3681 Views

solve the following simultaneous equations 4x + 6y = 16 and x + 2y = 5

x = 1, y = 2

BW
Answered by Billy W. Maths tutor
4094 Views

How do I close-read a prose passage in German?

Here are the steps you need to follow when you are writing about a prose passage in German: 1) When close-reading the passage the first time: Get a first impression of the text a...

LS
2080 Views

What is the difference between ser and estar?

English only has one verb 'to be', but Spanish has two: 'ser' and 'estar'. This can be confusing, but it is important to know the difference as they have different uses and can change the meaning of the w...

HF
Answered by Hannah F. Spanish tutor
2185 Views

Differentiate y=3x^2+2x+4 and find the stationary points, decide if it is a local maximum or minimum.

First Differentiate the equation to getdy/dx=6x+2Equal this to 0 to find the stationary pointdy/dx=0=6x+2 => 6x=-2=> x=-2/6=> x=-1/3
differentiate again to find the whether it is a maximum o...

JG
Answered by Jemma G. Maths tutor
4602 Views

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