Identify the sequence as arithmetic, geometric, or neither.9, -9, 10, -10, 11, -11, . . .

A. Arithmetic
B. Geometric
C. Neither


Answer: C

Mathematics

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Solve the system using matrices.  3x - 8y- z = -41  x + 3y + 7z = 57 -3x + y + z = -1

A. (4, 5, 6) B. No solution C. (-4, 6, 8) D. (4, 6, 5)

Mathematics

Find x: log x = 2.905

a. x = 4.8 ð 106 b. x = 8.4 ð 106 c. x = 2.9 ð 102 d. x = 8.0 ð 102 e. x = 2.7 ð 106

Mathematics

Name the property illustrated by the statement.7 + 8 = 8 + 7

A. identity element for addition B. distributive property C. associative property of addition D. commutative property of addition

Mathematics

Solve the problem.It has been found that the less income people have, the more likely they are to report that their health is fair or poor. The function  models the percentage of Americans reporting fair or poor health, f(x), in terms of annual income, x, in thousands of dollars. Find and interpret f(24).

A. f(24) ? 16.4; 24% of Americans earning $16.4 thousand annually report fair or poor health. B. f(24) ? $17.4; 24% of Americans earning $17.4 thousand annually report fair or poor health. C. f(24) ? 17.4; 17.4% of Americans earning $24 thousand annually report fair or poor health. D. f(24) ? 16.4; 16.4% of Americans earning $24 thousand annually report fair or poor health.

Mathematics