Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(3, 2)}
B. {(2, 7)}
C. no solution; ?
D. 
Answer: C
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Write the standard form for a hyperbola centered at (h, k). Identify the center and the vertices.9x2 - 4y2 - 54x + 32y - 19 = 0
A. C(3, 4); V(3, 4 ± 2); 
- 
= 1
B. C(3, 4); Vertices: V1(2, 3 ± 3); 
- 
= 1
C. C(- 3, - 4); Vertices: V1(- 3 ± 3, - 4); 
- 
= 1
D. C(3, 4); V(3 ± 2, 4); 
- 
= 1
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-7x - 7y = -21-4x + 3y = 9
A. (-1, 4) B. (0, 4) C. (0, 3) D. No solution
Name the quadrant or axis in which the point lies.(5, -6)
A. quadrant I B. quadrant II C. quadrant III D. quadrant IV
Solve. Write your answer in simplest form.In a three-point shooting contest, a basketball player attempted 25 shots and made 11 of them. What fraction of his shots did the player miss?
A. 
B. 
C. 
D. 