Hey, i really need help with some kinds of questions and appreciate greatly any help I can get! I got a real GCSE test coming up on Monday! (I live in the UK...) Thanks

Q1:Below is a rough graph that shows a circle of radius 5cm, centre the origin.

Draw a suitable straight line on the diagram to find the estimates of the solutions of the pair of equations

x² + y² = 25

y = 2x + 1

x = _________ y = _________

x = _________ y = _________

Q2:Show that x² - 4x + 15 can be written as (x+p)² + q for all values of x. State the values of p and q.

p = __________

q = __________

Q3:The line y = 4 - 4x intersects the curve y = 3(x²-x) at the points A and B.

Use an algaebraic method to find the coordinates of A and B.

(___,___)

(___,___)

Q4:Prove algerbraically taht the sum of the squares of any two odd numbers leaves a remainder of 2 when divided by 4.

Q5:The table shows the number of students in each year group at a school.

Jenny is carrying out a survey for her GCSE Mathematics project.

She uses a stratified sample of 60 students according to the year group.

Calculate the number of year 11 students that should be in her sample.

That's all for now folks

Thanks very much if you can help me out with my exams coming up

Please can you keep an eye on my topic? I may post a couple more questions i come accross..

Thank you very much!

Dan