Solve.log13(x2 - 3x - 27) = 0
A. {-7, 4}
B. {7}
C. {-4, 7}
D. ?
Answer: C
Mathematics
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Solve the equation.
x+1= 
x-1
A. 
B. 
C. 
D. 
Mathematics
Find the center, transverse axis, vertices, and foci of the hyperbola.16x2 - 100y2 = 1600
A. center at (0, 0)
transverse axis is x-axis
vertices: (-4, 0), (4, 0)
foci: (-2
, 0), (2
, 0)
B. center at (0, 0)
transverse axis is x-axis
vertices: (0, -10), (0, 10)
foci: (0, -2
), (0, 2
)
C. center at (0, 0)
transverse axis is x-axis
vertices: (-10, 0), (10, 0)
foci: (-2
, 0), (2
, 0)
D. center at (0, 0)
transverse axis is x-axis
vertices: (-10, 0), (10, 0)
foci: (-2
, 0), (2
, 0)
Mathematics
Find a positive value of the given variable so that the trinomial is factorable.3y2 + by - 1; b = ?
A. 2 B. 5 C. 3 D. 4
Mathematics
Find the function value.If Q(x) = x2 - 6, find Q(-2).
A. 64 B. -2 C. 4 D. -8
Mathematics