31. Find the coordinates of the focus of the parabola whose equation is x² – 18x + 24y + 273 = 0. С. (9, -12) D. (9,–14) А. (9, -8) В. (9, —10)

Elementary Linear Algebra (MindTap Course List)
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Chapter1: Systems Of Linear Equations
Section1.1: Introduction To Systems Of Linear Equations
Problem 71E: Find a system of two equations in two variables, x1 and x2, that has the solution set given by the...
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answer the three subparts (31, 32, 33) Answers ONLY.

31. Find the coordinates of the focus of the parabola whose equation is x²
- 18x + 24y +
273 = 0.
А. (9, -8)
В. (9, —10)
C. (9, –12)
D. (9,–14)
fx² + y² = 5
lx² – y² = 2°
32. Use the elimination method to find all solution of the system
А. (-1.67, —1.62); (-1.67, 1.62); (1.67, — 1.62); (1.67,1.62)
B. (-1.77,–1.42); (-1.77, 1.42); (1.77,–1.42); (1.77,1.42)
С. (-1.87, —1.22); (-1.87, 1.22); (1.87, — 1.22); (1.87, 1.22)
D. (-1.97,–1.02); (–1,97, 1.02); (1.97, – 1.02); (1.97,1.02)
33. Given the series:
п-1
n=1
Does this series converge or diverge? Find the sum.
34756732
A. Diverges; Sum = –
C. Converges; Sum = Does not exist.
6835
824682839
B. Converges: Sum = –
D. Diverges: Sum = Does not exist.
482342935
Transcribed Image Text:31. Find the coordinates of the focus of the parabola whose equation is x² - 18x + 24y + 273 = 0. А. (9, -8) В. (9, —10) C. (9, –12) D. (9,–14) fx² + y² = 5 lx² – y² = 2° 32. Use the elimination method to find all solution of the system А. (-1.67, —1.62); (-1.67, 1.62); (1.67, — 1.62); (1.67,1.62) B. (-1.77,–1.42); (-1.77, 1.42); (1.77,–1.42); (1.77,1.42) С. (-1.87, —1.22); (-1.87, 1.22); (1.87, — 1.22); (1.87, 1.22) D. (-1.97,–1.02); (–1,97, 1.02); (1.97, – 1.02); (1.97,1.02) 33. Given the series: п-1 n=1 Does this series converge or diverge? Find the sum. 34756732 A. Diverges; Sum = – C. Converges; Sum = Does not exist. 6835 824682839 B. Converges: Sum = – D. Diverges: Sum = Does not exist. 482342935
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