Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.-7, -11, -15, -19, . . .

A. yes, -12
B. no
C. yes, 4
D. yes, -4


Answer: B

Mathematics

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Find the domain and range of the relation.

A. domain: (-?, ?), range: {-6, -3, 3, 4} B. domain: {-6, -3, 3, 4}, range: {-6, -2, 1, 6} C. domain: {-6, -2, 1, 6}, range: {-6, -3, 3, 4} D. domain: (-?, ?), range: (-?, ?)

Mathematics

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x4 - 3x2 - 54

A. (x2 - 54)(x2 + 1) B. (x2 - 9)(x2 + 6) C. (x2 + 9)(x2 - 6) D. prime

Mathematics

How much current must be supplied from the energy source if I1 = 3 A, I2 = 6 A, and I3 = 1 A?


a. 3 A
b. 4 A
c. 10 A
d. 9 A
e. Cannot be solved without knowing I4

Mathematics

Solve the equation. = 3

A.
B. ?
C. {9}  
D. {3}  

Mathematics