Solve the problem.Select the equation that describes the graph shown.
A. y = + 3
B. y = - 3
C. y = - 3
D. y = - 3
Answer: B
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Find the equation of the conic with the given characteristics.Parabola with vertex (3, -6) and focus (1, -6)
A. (x + 3)2 = 20(y - 6) B. (y + 6)2 = 8(x - 3) C. (x + 3)2 = -20(y - 6) D. (y + 6)2 = -8(x - 3)
Find the slope of a line tangent to the given curve at the given point.y = 23 cos x; x =
A.
B. -
C. -
D.
Solve.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 572 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 649 km to 289 km.
A. +
= 1
B. +
= 1
C. +
= 1
D. +
= 1
Solve the system of equations by the substitution method. Check your solutions.
A. {(-4, -5), (-5, -4)} B. {(4, -5), (5, -4)} C. {(4, 5), (5, 4)} D. {(-4, 5), (-5, 4)}