Find the value of k for which the first polynomial is a factor of the second polynomial.x - 2; 8x3 + kx2 - kx - 8
A. k = -28
B. k = 28
C. k = -8
D. k = 8
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation for x.y = 8 cos 3x
A. x = 3 arccos 
B. x = 
arccos 
C. x = 8 arccos 
D. x = 
arccos 
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Factor by grouping.12x2 + 20xy - 9xy - 15y2
A. (4x - 3y)(3x + 5y) B. (4x - 3)(3x + 5) C. (12x - 3y)(x + 5y) D. (4x + 3y)(3x + 5y)
Mathematics
Use a method of your choice to solve the equation.x + 2 = 
A. x = -2.32 or x = 4.32 B. x = -4.32 or x = 2.32 C. x = -3.32 or x = 3.32 D. x = 1
Mathematics