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solve this equation x^2 -2x=-1

to first think about solving this equation you need to add 1 to both sides producing the equation x^2-2x+1=0 you then need to factorise this equation as it is a quadratic equation (x-1)(x-1) =0 for this to e...
GB
Answered by George B. • Maths tutor
5499 Views

Find the determinant of matrix M. [3]

Markscheme:[M1] correct expansion shown, allowing sign slips.[A1] correct (unsimplified) expression obtained [A1] correct answer obtained (this can also earn both A1 marks if correct expression is not shown)...
AS
3153 Views

Why is the 1984 Olympic Games accredited with the commercialisation of sport ? (6 marks)

first Olympic Games to make a profit 2) selling of the Olympic Rings and logo 3) sold tv rights of the games 4) use of top sponsors such as McDonald’s , Coca-Cola etc 5) accredited the hamburger games due to...
GB
3257 Views

Integrate y=2x^2 +4x-1

To integrate this simple equation add one to the power then divide by the new power for example. 2x^2 becomes 2/3x^3 4x becomes 2x^2 and 1 becomes x plus constant c so the overall integrated equation is 2/3x...
GB
Answered by George B. • Maths tutor
4156 Views

I always get verbe être, avoir and aller mixed up. How do I differentiate between them?

être avoir aller Je suis (j')ai vais Tu e s a s va s Il/elle/on es t a va s Nous sommes avons allons Vous êtes avez allez Ils/elles s ont ont v ont
SO
Answered by Sarah O. • French tutor
2220 Views