Answer:
4/5-1/5=6.0
9/11+5/11=1.27
3/4+1/8=0.875
-2
Step-by-step explanation:
slope formula is (y2-y1)/(x2-x1)
1 - -7 / -1 - 3
8 / -4
-1/2
y = -1/2x + 1/4 is in slope y-intercept form : y = mx + b
m is slope
Slope = -1/2
