Find the common ratio for the geometric sequence.1, -3, 9, -27, 81, . . .
A. -3
B. - 
C. 3
D. -4
Answer: A
Mathematics
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{1, 4, 9, 16, 25 ...}
A.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n3, ... |
B.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n4, ... |
C.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., 2n2, ... |
D.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n2, ... |
Mathematics
Graph the given inequality.x ? 2
A. 
B. 
C. 
D. 
Mathematics
Find any intercepts. Then graph the linear equation.-x + 4y = 16
A. x-int: -16; y-int: 4
B. x-int: -4; y-int: 4
C. x-int: -16; y-int: -4
D. x-int: -16; y-int: 16
Mathematics
Completely factor the polynomial or state that the polynomial is prime.x2 - x - 48
A. (x - 6)(x + 8) B. (x - 48)(x + 1) C. prime D. (x + 6)(x - 8)
Mathematics