Factor the special product.4x2 + 20xy + 25y2
A. (2x + 5y)2
B. (2x + 5y)(2x - 5y)
C. (4x + 1)(x + 25)
D. (2x - 5y)2
Answer: A
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(8, -6, 4) and P2(9, -7, 5)
A. 
i + 
j + 
k; 
B. 
i - 
j + 
k; 
C. 
i - 
j + 
k; 
D. 
i - 
j + 
k; 
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Factor using substitution.3(y + 6)2 - 11(y + 6) - 4
A. (3y + 1)(y + 38) B. (3y + 17)(y + 10) C. (3y + 19)(y + 2) D. (3y + 14)(y + 7)
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Simplify the exponential expression.x2y-3
A. y15x2
B. 
C. y3x2
D. 
Mathematics
Solve the equation. Use the multiplication axiom.- 
= -9
A. {-12} B. {-27} C. {12} D. {27}
Mathematics