Find the focus and directrix of the parabola.y = -8x2
A. 
, y = 
B. 
, x = 
C. 
, y = -
D. 
, x = 
Answer: A
Mathematics
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Solve the problem. Round the answer to the nearest tenth, if necessary.A boat travels 4 miles south and then 9 miles east. How far is the boat from its starting point?
A. 6.5 mi B. 4.9 mi C. 48.5 mi D. 9.8 mi
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Find the unknown length in the space figure.Find the distance x. Give an exact answer.
A. 
B. 
C. 
D. 
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Classify the angle as acute, right, obtuse, or straight.
A. right B. obtuse C. straight D. acute
Mathematics
Solve the equation.
- x = 
- 
A. 
B. 
C. 
D. 
Mathematics