Factor the expression completely. If the polynomial is prime, state this as your answer.x4 - t4
A. (x2 + t2)(x - t)(x - t)
B. (x2 + t2)(x - t)(x + t)
C. (x + t)2(x - t)2
D. (x2 + t2)(x2 - t2)
Answer: B
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Solve the problem.Find the foci and asymptotes of the following hyperbola:4y2 - 25x2 = 100
A. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
C. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
D. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
Determine the symmetries of the curve.r = -2 sin ? - 4 cos ?
A. y-axis only B. No symmetry C. x-axis, y-axis, origin D. x-axis only
How many triangles of all sizes are there in the figure below?
Read and solve the following problem. Then write a paragraph describing the method you
used to get your solution. Which problem-solving strategy(s) did you use and why?
Solve.If y varies inversely as the square of x. If y = 2 when x = 8, find y when x = 2.
A. 8 B. 16 C. 4 D. 32