Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.
, 
, 
, 
, 
, . . .
A. yes, 
B. yes, 2
C. no
D. yes, 
Answer: B
Mathematics
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(5 + j9) - (2 + j3) =
a. 3 - j6 b. 7 + j12 c. 7 - j6 d. 3 + j12 e. 3 + j6
Mathematics
Solve using matrices. x - y + 2z = 54x + z = 3 x + 4y + z = 7
A. (3, 1, 0) B. (1, 3, 0) C. (3, 0, 1) D. (0, 1, 3)
Mathematics
Determine the size of the matrix.
A. 2 B. 4 C. 1 D. 2 × 2
Mathematics
Solve and graph. Write the solution set in set-builder and interval notation.-6(4y - 3) < -30y - 12
A. {y
y ? -5}; (-?, -5]
B. {y
y ? -5}; [-5, ?)
C. {y
y < -5}; (-?, -5)
D. {y
y > -5}; (-5, ?)
Mathematics