Answers and Explanations
PRACTICE TEST 2
1 . D
For a to be as large as possible, make b as small as possible. If b = 1, then
a = 9.
2 . A
Isolate y:
3 . B
Set up a proportion:
4 . E
For a to be as large as possible, make b as small as possible. If b = 1, then
a = 9.
2 . A
Isolate y:
3 . B
Set up a proportion:
4 . E