Solve.x2 + y2 + 11y = 0x2 + y2 = 7x
A. (0,1) 
B. (1,0) 
C. (0,0) 
D. (1, -1) 
Answer: C
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What will be an ideal response?
Find the focus and directrix of the parabola.y2 = 16x
A. F: (4, 0); D: x = -4 B. F: (4, 0); D: x = 4 C. F: (0, 4); D: y = -4 D. F: (4, 4); D: x = 4
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {Bob, Ann, Dave} range: {Ms. Lee, Mr. Bar} B. function domain: {Ms. Lee, Mr. Bar} range: {Bob, Ann, Dave} C. not a function
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A. Neither B. Parallel C. Perpendicular