Posted by Shane on .
Given the quadratic equation y = x^2 + 2x + 3.
a) Will the graph turn upwards or downwards?
b)What are the coordinates of x and y intercepts?
c)What is the coordinate of the turning point?
d)Use your answer in parts (a,b,c,and d) to sketch the graph.

maths 
Steve,
a) the x^2 tells you
b) y=(3x)(x+1)
c) vertex at x = 1