Question 61466
IF YOU MEAN THAT THESE POINTS ARE (-5,-3)(5,7) THEN THE SLOPE IS
(7+3)/(5+5)=10/10=1 
Y=mX+b
-3=1*-5+b
-3=-5+b
-3+5=b
b=2 OR THE Y INTERCEPT
SETTING Y=0 WE GET THE X INTERCEPT THUS
0=1X+2
X=-2 FOR THE X INTERCEPT
THE EQUATION FOR THIS LINE IS
Y=X+2