Factor.21x2y + 36x3 + 3xy2
A. (9x + 3y)(4x + y)
B. 3x(3x - y)(4x - y)
C. 3(3 + xy)(4 + xy)
D. 3x(3x + y)(4x + y)
Answer: D
Mathematics
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Eliminate the parameter of the pair of parametric equations.x = t - 3, y = t2 + 5
A. y = x2 + 14 B. y = x2 + 6x + 14 C. y = x2 - 6x - 14 D. y = x2 - 14
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Find the product. Assume variables represent positive real numbers.7k1/8(3k3/8+ 3k3/4)
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Find the sum of the infinite geometric series, if it exists.
A. 
B. - 
C. - 
D. 
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