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can you show me how to solve simultaneous equations?

(Depending on what the pupil wants to get out of this session and their ability I will explain the background of simultaneous equations and draw a graph of two lines and sho that their intersection is the po...
RA
Answered by Ryan A. • Maths tutor
3480 Views

Solve the simultaneous equations, 3x + 2y = 4 (1) 4x + 5y = 17 (2)

Solving simultaneous equations by elimination; firstly you would multiply the first equation by 4 to get another equation which we will name (3), and multiply the second equation by 3 to get another equation...
AP
Answered by Akash P. • Maths tutor
5427 Views

Solve the quadratic equation: x^2 - 2x - 15 = 0

We need to find numbers that multiply together to give -15. This could be -1 and 15, 1 and -15, -3 and 5, 3 and -5. The numbers we need must add up to -2 as well (from -2x term). Therefore our set must be 3 ...
SK
Answered by Sabrina K. • Maths tutor
6834 Views

Factorise completely ( x − 4x^3)

(x-4x 3 ) = x(1-4x 2 ) Just taking a factor of x out of both terms Within the inner bracket we have a difference of two squares. 1 2 =1 and (2x) 2 =4x 2 therefore we can write x(1-4x 2 ) = x(1-2x)(1+2x)
EC
Answered by Edward C. • Maths tutor
22811 Views

Y=3x^2-2 ( Make x the ubject of the formula

x=((y+2)/3)^1/2
TP
Answered by Talha P. • Maths tutor
4569 Views