Factor completely.x2 + 15x + 54
A. prime
B. (x - 9)(x + 1)
C. (x - 9)(x + 6)
D. (x + 9)(x + 6)
Answer: D
Mathematics
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Graph the complex number.2j 
A. 
B.
C.
D. 
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Write the system of linear equations that the augmented matrix represents. Use the variables x, y, and z.
A. 14x + 9y = 20 9x + 3y = 20 B. 9x + 14y = 20 3x + 9y = 20 C. 14x + 9y = 20 3x + 9y = 20 D. 14x + 9y = -20 3x + 9y = -20
Mathematics
Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers.14x2y3 - 16xy2
A. 2xy(7xy2 - 8y) B. 2xy2(7xy - 8) C. xy2(14xy - 16) D. 2xy2(7xy + 8)
Mathematics
Find the variation equation for the variation statement.y varies directly as the square of x; y = 144 when x = 6
A. y = 36x B. y = 24x C. y = 144x D. y = 4x2
Mathematics