The statements are marked as follows
a. False
.b False
c. True
d. True
How to verify the statements
The statement s are verified as follows
a. A proportional relationship passes through the origin and line b does not pass through the origin
b and d) The constant of proportionality (k) in line a is 5/4,use points (4, 5).
k = y/x = 8/4
c) At point (25, 8), we can find that 25 : 8