Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Answer: A
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Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x - 3)2 - 3
A. (3, -3), down B. (0, -3), up C. (-3, 0), up D. (3, 3), down
Solve and check the equation.1.3x - 3.8 = 0.8x + 0.05
A. {7.7} B. {7.69} C. {7.623} D. {-0.13}
Solve.The relationship between escape velocity E and circular orbit velocity C is given by 
If the escape velocity of a planet is 45,000 miles per hour, calculate the velocity necessary for a circular orbit around this planet.
A. 31,820 B. 63,640 C. 300 D. 22,500
Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 10(cos 75° + i sin 75°) B. 7(cos 50.9° + i sin 50.9°) C. 10(cos 50.9° + i sin 50.9°) D. 7(cos 75° + i sin 75°)