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?
2 answers
1 answer