Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 - 12y + 8x + 84 = 0
A. vertex: (-6, 6)
focus: (-4, 6)
directrix: x = -8
B. vertex: (6, -6)
focus: (6, -4)
directrix: y = -8
C. vertex: (-6, 6)
focus: (-8, 6)
directrix: x = -4
D. vertex: (6, -6)
focus: (6, -8)
directrix: y = -4
Mathematics
Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
A. 
B. 7
C. 0
D. 
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Simplify.4 ? {(300 - 85 ÷ 5) - [3 ? 18 - (8 - 2 ? 3)]}
A. 874 B. -576 C. 2700 D. 924
Mathematics