Graph the parabola and its vertex, focus, and directrix.x2 = 8y
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the direction angles of the vector. Round to the nearest degree, if necessary.v = 6i - 2j - 3k
A. ? = 31°, ? = 107°, ? = 115° B. ? = 41°, ? = 104°, ? = 112° C. ? = 18°, ? = 108°, ? = 223° D. ? = 83°, ? = 92°, ? = 94°
Mathematics
Use a percent proportion to answer the question.What is 190% of 3690 colleges?
A. 7011 colleges B. 701 colleges C. 70,110 colleges D. 701,100 colleges
Mathematics
Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = - 3 cos 
x
A. y = 3 sec 
x
B. y = - 3 sin 
x
C. y = - 3 sec 
x
D. y = - 3 csc 
x
Mathematics
Find the indicated term of the binomial expansion.(x + y)10 ; term containing x3
A. 840x3y7 B. 10x3y7 C. 210x3y7 D. 120x3y7
Mathematics