Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having focus (0, -2
) and directrix y = - 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Name the quadrant in which the point is located, or the axis on which it lies .(4, 14)
A. Quadrant IV B. Quadrant III C. Quadrant II D. Quadrant I
Mathematics
Find the work performed when the given force F is applied to an object, whose resulting motion is represented by the displacement vector d. Assume the force is in pounds and the displacement is measured in feet.
?
?
A. 896 ft-lb B. 901 ft-lb C. 899 ft-lb D. 900 ft-lb E. 895 ft-lb
Mathematics
Graph the rational function and find the intercepts.h(x) = 
A. x-intercept: 0. y-intercept: 0.
B. x-intercept: 0. y-intercept: 0.
C. x-intercept: 2. y-intercept: 0.
D. x-intercept: 0. y-intercept: -5.
Mathematics
Solve the problem.If v = -i - j, find 
.
A. 0
B. 
C. 1
D. 2
Mathematics