Question 320396
y = 8 – x^2 
IF this is a linear equation then:
y=-x^2+8
{{{ graph( 300, 200, -6, 5, -10, 10, -x^2 +8) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x^2 +8).
Values are (0,8), (2.828,0) & (-2.828,0)