Edexcel Pure Maths:exam with 100% correct answers

What are the turning point co-ordinates in f(x)=a(x+p)^2 +q (-p,q) How many roots are there if the discriminent 0? Two distinct roots How many roots are there if the discriminent = 0? One/repeated root How many roots are there if the discriminent 0? no real roots What can we use the discriminent to find? no. of points of intersection What does the solution of a pair of simultaneous equations represent? points of intersection on their graphs What do you use to see/show a linear inequality? number line sketch What do you use to see/show a quadratic inequality? quadratic curve sketch What type of line do you use to represent ≥ ≤? Solid line What type of line do you use to represent ? Dotted line What quadrants are the two curves of the reciprocal graph y=1/x? 1st and 3rd What quadrants are the two curves of the reciprocal graph y=-1/x? 2nd and 4th What quadrants are the two curves of the reciprocal graph y= 1/x^2? 1st and 2nd