x² = –4y
Find the directrix.
y = 10
Mathematics
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Provide an appropriate response. Solve the following using a constant of variation:How far can a trailer-tractor rig travel in 12 days if it travels at the rate of 1,890 miles in 5 days?
A. 787.5 miles B. 378 miles C. 4,536 miles D. 31.5 miles
Mathematics
Solve the equation.16w2 - 3w + 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the parabola corresponding to the given information.The parabola has focus ( 2 , 0 ) and directrix x = -2.
A. y = x2
B. x = 
y2
C. x = - 
y2
D. x = y2
Mathematics
Find the indicated limit, if it exists.
f(x), f(x) = 
A. 6 B. 2 C. -2 D. The limit does not exist.
Mathematics