Find the focus and directrix of the parabola.x = 8y2
A. F: 
; D: x = 
B. F: 
; D: x = - 
C. F: 
; D: x = - 
D. F: 
; D: y = - 
Answer: B
Mathematics
You might also like to view...
Solve the variation problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 40 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 75 feet and 10-foot walls.
A. 750 quarts B. 7.5 quarts C. 75 quarts D. 15 quarts
Mathematics
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Graph the equation by completing the table of values.y = -x2 + 2
A. 
B. 
C. 
D. 
Mathematics
Find a unit vector in the direction of the given vector.
?
?
A. j B. i C. -j D. -i E. ?i - j
Mathematics