Identify the conic section as a circle, parabola, ellipse, or hyperbola.
A. Parabola
B. Ellipse
C. Hyperbola
D. Circle
Answer: B
Mathematics
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Find the equation of the tangent plane (or tangent "hyperplane" for a function of three variables) at the given point p.f(x, y, z) = x2 + y2 + xyz, p = (-3, -4, 0)
A. w = -6x - 8y + 25 B. w = -6x - 8y - 25 C. w = -6x - 8y + 12z + 25 D. w = -6x - 8y + 12z - 25
Mathematics
Perform the indicated operation by hand.(125.3) ? (0.67)
A. 83.951 B. 84.061 C. 84.062 D. 84.051
Mathematics
Solve the system by the elimination method.4x + 5y = 1312x + 15y = 39
A. ? B. {(6, 1)} C. {(x, y)| 4x + 5y = 13} D. {(0, 4)}
Mathematics
Determine the unit rate.2296 cars in 820 households
A. 2.8 cars/household B. 1476 cars/household C. 0.357 car/household D. 3116 cars/household
Mathematics