Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Multiply.(8x - 3y)(8x - 3y)
A. 8x2 - 48xy + 9y2 B. 64x2 - 48xy + 9y2 C. 64x2 + 9y2 D. 8x2 + 9y2
Mathematics
A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-4, -1)Find sec ?.
A. - 
B. -
C. - 
D. 
Mathematics
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.(mn-11)(m-6n6)
A. 
B. m5n5
C. 
D. 
Mathematics
Graph.f(x) = 2x2 - 2x - 6
A. 
B. 
C. 
D. 
Mathematics