Solve the system by graphing. If there isn't a unique solution to the system, state the reason.4x + y = 0-4x + y = -8
A. (1, 8)
B. (-1, -4)
C. (1, -4)
D. (-1, 4)
Answer: C
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = 
x, y = - 
x; one vertex (0, 22)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.2n < n2
A. 5 B. 3 C. 2 D. 4
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x4 - 8x3 + 20x2 - 40x + 25
A. 5, 
; f(x) = (x - 5)(3x - 5)(x2 + 1)
B. -5, -1, 1, 
; f(x) = (x - 1)(3x - 5)(x + 1)(x + 5)
C. -5, -1, 1, - 
; f(x) = (x - 1)(3x + 5)(x + 1)(x + 5)
D. 1, 
; f(x) = (x - 1)(3x - 5)(x2 + 5)
Solve the problem.The angle of elevation of the top of a pole as seen from a point 
away from the base is double its angle of elevation as seen from a point 30 ft farther from the pole. Find the height of the pole above the level of the observer's eyes. Round to the nearest whole unit.
A. 46 ft B. 14 ft C. 34 ft D. 25 ft