Evaluate.(-4)3
A. 64
B. 12
C. -12
D. -64
Answer: D
Mathematics
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Provide an appropriate response.Find an equation of the line tangent to y = xcot x at the point x = 1.
A. y = x cot 1 - 1 + cot 1 B. y = x cot 1 - 1 - cot 1 C. y = x cot 1 + 1 + cot 1 D. y = x cot 1 + 1 - cot 1
Mathematics
Factor.x2 + 2xy - 8y2
A. (x + 4y)(x - 2y) B. (x - y)(x + 2y) C. (x - 4y)(x + 2y) D. (x - 4y)(x + y)
Mathematics
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. x6y9
B. x6y8
C. x6y8
D. x6y7
Mathematics
Solve the quadratic equation by first factoring the perfect square trinomial on the left side. Then apply the square root property. Simplify radicals, if possible.y2 - 22y + 121 = 13
A. {11 ± 
}
B. {-11 ± 
}
C. {121 ± 
}
D. {-2, 24}
Mathematics