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Solve the equation "3y + 5 = 11" to find the value of y.

Remember that both sides of the equation need to 'balance', so any changes that we make to the right hand side must also be made to the left hand side. Let's start by getting rid of the '5' on the left hand ...
RP
Answered by Roshni P. • Maths tutor
7068 Views

Using the substitution u = 2 + √(2x + 1), or other suitable substitutions, find the exact value of 4 0 1 ∫ 2 (2 1) +√ +x dx giving your answer in the form A + 2ln B, where A is an integer and B is a positive constant

I will attach a file with the solution during the interview because it is difficult to type the solution in here.
GB
Answered by Georgica B. • Maths tutor
10277 Views

How to solve the following simultaneous equations? Equation 1: 3x+y=10 Equation 2: 2x-y=5

There are 2 easiest and quickest ways to approach this question: 1). By elimination: When using the elimination method, you want to make sure that you choose the correct variable to eliminate to ensure only ...
AC
Answered by Angel C. • Maths tutor
9582 Views

Solve x^2 -6x +5 = 0 and plot this graph between -10<x>10

To solve the equation you need to factorise the quadratic. This means you need to find 2 numbers that when multiplied make 5 and when added together make -6. These would be -1 and -5. You can now separate -6...
HH
Answered by Henry H. • Maths tutor
3734 Views

How do I solve 2x^2 -x -6 = 0

Firstly if you multiply the number infront of the x 2 by the number at the end to give -12. And then take the number infront of x, which is -1. Now we need to find two numbers that add to make -1 and multipl...
BB
Answered by Bei Bei M. • Maths tutor
5291 Views