Solve the system. x + y + z = -2 x - y + 3z = 144x + y + z = -8
A. {(-2, -4, 4)}
B. {(4, -4, -2)}
C. ?
D. {(4, -2, -4)}
Answer: A
Mathematics
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Convert the angle in radians to degrees.
A. 495° B. 164° C. 990° D. 65?°
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Find an equation of a parabola that satisfies the given conditions.Focus (2, 1), directrix x = -4
A. (x - 1)2 = 12(y + 1) B. (y - 1)2 = 12(x + 1) C. (x - 2)2 = 12(y - 1) D. (y - 1)2 = 12(x - 2)
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Give all possible rational zeros for the polynomial.f(x) = 22x7 + 88x3 + 2x - 11
A. ±1, ±11, ± 
B. ±1, ± 
, ±11, ± 
, ± 
C. ±1, ± 
, ±2, ± 
, ±11, ±22
D. ±1, ± 
, ±11, ± 
, ± 
, ± 
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The graph of a function f is given. Use the graph to answer the question.For which of the following values of x does f(x) = 40?
A. 140 B. 80 C. 40 D. 100
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