Find the focus and the directrix of the parabola.y = - 
x2 + 
x - 
A. (2, -3); y = 1
B. (2, -9); y = -7
C. 
; y = - 
D. (2, 1); y = -3
Answer: A
Mathematics
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Factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
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Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No
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Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied.
A. does not exist B. 16 C. 0 D. -16
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Find the area.
A. 220.5 cm2 B. 798 cm2 C. 399 cm2 D. 273 cm2
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