Question 847679
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
y = -7x^2 (Blue Curve)
{{{drawing(300,300,   -10,10,-10,10,  
 grid(1),
graph( 300, 300, -10,10,-10,10,0, x^2, -7x^2))}}}