Solve.Find the points of intersection of the ellipse 16x2 + 25y2 = 400 and the line 5y + 4x = 20.
A. (0, -5), (0, -4)
B. (0, 4), (5,0)
C. (0, -4), (-5, 0)
D. (0, 5), (4, 0)
Answer: B
Mathematics
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Simplify.-6
A. 60 B. -25 C. -60 D. 4
Mathematics
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = -x2 - 2x - 4
A. minimum; 
B. minimum; 
C. maximum; 
D. maximum; 
Mathematics
Find the product or quotient, as indicated. Leave your answer in trigonometric form.Find the quotient.
A. 2[cos (-180°) + i sin (-180°) ]
B. 
[cos (-180°) + i sin (-180°) ]
C. 
D. 2
Mathematics
Solve the problem.If (-10, 2) is the endpoint of a line segment, and (-11, 6) is its midpoint, find the other endpoint.
A. (-8, -6) B. (-12, -2) C. (-2, 0) D. (-12, 10)
Mathematics