Solve the equation by making an appropriate substitution.x4 - 30x2 - 216 = 0
A. {-36, 6}
B. {-6, 6, -i
, i
}
C. {- 
, 
, -6i, 6i}
D. {6, i
}
Answer: B
Mathematics
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What will be an ideal response?
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Find the zeros of the function. Give exact answers.f(x) = x2 - 3x - 8
A. 
B. 
C. 
D. 
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A. y = 2x + 5 B. y = -2x - 1 C. y = -2x + 1 D. y = 2x - 5
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