Find the quotient. 51.2 ÷ (-8)
A. 6.4
B. -6.4
C. 6.1
D. -
Answer: B
Mathematics
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What value of ?x gives the minimum value of the quadratic function ? Round your answer to two decimal places.
?
A. 0.63 B. 1.29 C. 3.44 D. 3.51
Mathematics
Find the product using the FOIL method.(3x + 5y)(3x - 6y)
A. 9x2 - 3xy - 3y2 B. 9x2 - 18xy - 30y2 C. 9x2 - 3xy - 30y2 D. 9x2 + 15xy - 30y2
Mathematics
Solve the equation by factoring.y3 + 8y2 + 16y = 0
A. {0, -4} B. {4, -4} C. {0, 4} D. {0, -4, 4}
Mathematics
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. ? B. {(2, -7, -1)} C. {(-8, -7, 9)} D. {(8, -7, -2)}
Mathematics