Find the sum of the first n terms of the sequence.10, -20, 40, . . . ; n = 9

A. - 3410
B. 10,230
C. 1710
D. - 341


Answer: C

Mathematics

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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.2 - i, -6

A. f(x) = x3 + 2x2 - 19x + 30 B. f(x) = x3 - 2x2 - 19x - 30 C. f(x) = x3 - 2x2 - 19x + 24 D. f(x) = x3 + 4x2 - 20x + 30

Mathematics

Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)

A. -17 m/sec B. 2 m/sec C. 17 m/sec D. -8.5 m/sec

Mathematics

Use the product rule to multiply. Assume all variables represent positive real numbers.5 ? 3

A. 15
B. 8
C. 15 ? 
D. 15

Mathematics

Solve the problem.The product of two consecutive integers is 6 less than 6 times their sum. Find the integers.

A. 11, 12 B. 0, 1 C. 0, 1 or 12, 13 D. 0, 1 or 11, 12

Mathematics