Question 117966
THE FIRST POINT IS (0,-3) THE YINTERCEPT.
SETTING Y=0 & SOLVING FOR X WE GET:
0=X-3
X=3 OR (3,0) FOR THE X INTERCEPT.
NOW SET X TO ANY NUMBER & SOLVE FOR Y THUS:
Y=6-3
Y=3 OR(6,3) IS THE THIRD POINT..
WHEN PLOTED YOU HAVE:
{{{ graph( 300, 200, -6, 7, -10, 10, y = x -3) }}} (graph 300x200 pixels, x from -6 to 7, y from -10 to 10, y = x -3).