Find the first term and the common ratio of the geometric sequence.2, -0.2, 0.02, -0.002, . . .
A. a1 = 2, r = 0.1
B. a1 = 2, r = -0.1
C. a1 = -0.1, r = -0.01
D. a1 = -0.1, r = -1
Answer: B
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Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation.0.589?0.53?0.473?0.628?0.411?0.151?0.202
A. 0.1855 m B. 0.628 m C. 1.2720 m D. 1.4785 m
Give the domain and range of the relation.
A. domain: (-?, ?); range: [-10, ?) B. domain: (-?, 0) ? (0, ?); range: (-?, 0) ? (0, ?) C. domain: (-?, 0); range: (-?, 0) D. domain: (0, ?); range: [35, ?)
Add or subtract. Simplify all answers. Express as a mixed number.11
+ 19
A. 31
B. 30
C. 29
D. 11
Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = -y2 - 16y - 57
A. Axis of symmetry is x = -8.
B. Axis of symmetry is y = 8.
C. Axis of symmetry is x = 8.
D. Axis of symmetry is y = -8.