Determine whether the polynomial is a perfect square trinomial, a difference of squares, or neither.-81x2 + 64y2
A. Neither
B. Difference of squares
C. Perfect square trinomial
Answer: B
Mathematics
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Graph the system of inequalities, and find the coordinates of the vertices.3x + 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.r2 + 9 = -6r
A. 3 B. -3, 3 C. 0, -3 D. -3
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 9(3x + 5)2 - 2
A. f(x) = 3x + 5, g(x) = 9x2 - 2 B. f(x) = 9x2 - 2, g(x) = 3x + 5 C. f(x) = 9x2 - 2, g(x) = (3x + 5)2 D. f(x) = (9x - 2)2, g(x) = 3x + 5
Mathematics
Find the foci of the given hyperbola.y2 - 16x2 = 16
A. (0, 4), (0, -4)
B. (
, 0), (-
, 0)
C. (4, 0), (-4, 0)
D. (0, 
), (0, -
)
Mathematics