Q 174

The slope of the line in Figure 1A.3.7 is
A)1.
B)-1.
C)1/2.
D)2.
E)dependent on where you measure it.

Q 175

The slope of the line in Figure 1A.3.8 is
A)3/2.
B)2/3.
C)-3/2.
D)-2/3.
E)none of the above.

Q 176

Refer to Figure 1A.3.9. Which one of the graphs shows a line with a zero slope?
A)(a)
B)(b)
C)(c)
D)(d)
E)(a), (b), and (c)