Answer:
-5/2
2/3
0
Step-by-step explanation:
Make a triangle with two points on the line.
Count the squares to get rise (change in y) and run (change in x).
Slope=rise/run
For (3), pick two easy points on the line. For example, (-1,2) and (-3,7).
Slope=(y1-y2)/(x1-x2)
Point1 = (-1,2): y1=2 and x1=-1
Point2=(-3,-7)): y2=7 and x2=-3
Slope=[tex]\frac{2-7}{-1-(-3)}[/tex]
=-5/2
Same process for others. Slope is about incline (think driving up a hill), so for (5) the slope is 0 because the line is horizontal.
