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4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place.

a) .14 < x <.15

b) .141 < x < .142

c) .1413 < x < .1414

d) .1414 < x <.1415

B?

6. Choose an inequality to match this description: The height E of Mount Everest, is greater than the height R of Mount Rainier. Mount Rainier is higher than Mount Fuji, F.

a) E < R < F

b) F < R < E

c) E > R > F

d) Both (b) and (c

D?

If x < 0 and y > 0, then it is always true that _______.

a) xy is a negative number

b) x + y is a negative number

c) xy is a positive number

d) x + y is a positive number

D?

If a < 0 and x < y, then it is always true that ________.

a) multiplying x and y by a reverses the inequality

b) y – x > a

c) y > a

d) Both (a) and (b)

A?

If b > 0 and x > b - y, then it is always true that ________.

a) 0 is not an element of b

b) b > y

c) x + y > 0

d) Both (b) and (c)

B?