Identify the equation without applying a rotation of axes.x2 + 4xy - 4y2 - 2x + 4y + 5 = 0
A. parabola
B. ellipse
C. hyperbola
D. not a conic
Answer: C
Mathematics
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Write the decimal as a fraction. Do not simplify.6.005
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x - z = 2y + z = 2x + z = 4
A. x = 3, y = 1, z = 1 B. x = 6, y = 2, z = 2 C. x = 1, y = 3, z = - 1 D. x = 2, y = 2, z = 0
Mathematics
Find the value of the polynomial.-7x + 6 when x = 3
A. -42 B. -27 C. -15 D. -1
Mathematics
Calculate the total amount due to the IRS from the firm.Canine Coiffures, Ltd. collected $2471.93 FICA, $578.11 Medicare, and $3038.08 federal withholding tax from employees.
A. $9138.16 B. $6666.23 C. $8560.05 D. $6088.12
Mathematics