Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the product and simplify. Assume all variables represent nonnegative real numbers.(10 - 6
)(6 - 3
)
A. 60 + 66
+ 18y
B. 60 - 66
+ 18y
C. 60 - 6
+ 18y
D. 60 + 18y
Mathematics
Solve.y2 - x2 = 20x - 8 = y
A. 
B. 
C. 
D. 
Mathematics
Find the component form of the indicated vector.Let u = 
, v = 
. Find -u - v.
A. 
B.
 |
C.
D.
 |
Mathematics
Find the length of the circular arc associated with the angle ?. An angle of measure - 
? in a circle of radius 
A. - 
?
B. 
?
C. -5?
D. -35?
Mathematics