Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator and simplify.
A. 
B. 370
C. 
D. 9
Mathematics
Write a system of equations for the problem, and then solve the system.Two trains start from towns 572miles apart and travel toward each other on parallel tracks. They pass each other 5.5 hours later. If one train travels 18 mph faster than the other, find the speed of each train.
A. 63 mph; 41 mph B. 61 mph; 43mph C. 51 mph; 53 mph D. 56 mph; 48 mph
Mathematics
Solve the polynomial equation graphically or numerically. Round to the nearest hundredth if necessary.x4 + 12x3 + 31x2 - 12x - 32 = 0
A. -1, 1, 4, 8 B. -4, -1, 1, 8 C. -8, -4, -1, 1 D. -8, -4, 1, 1
Mathematics