Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 - 6y + 12x + 93 = 0
A. vertex: (3, -7)
focus: (3, -4)
directrix: y = -10
B. vertex: (-7, 3)
focus: (-10, 3)
directrix: x = -4
C. vertex: (-7, 3)
focus: (-4, 3)
directrix: x = -10
D. vertex: (3, -7)
focus: (3, -10)
directrix: y = -4
Answer: B
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Solve the problem.Acme Industries pays at the time-and-a-half rate for all time worked over 8 hours in any one day no matter how many hours are worked in a week. Susan Jones, an employee of Acme Industries, makes $14.32 an hour as her regular rate of pay. Last week she worked 9 hours on Monday, 6.5 hours on Tuesday, 10.25 hours on Wednesday, 7 hours on Thursday, and 12 hours on Friday. What were her gross earnings for the week?
A. $643.73 B. $692.73 C. $660.73 D. $765.73
Find the LCD for the list of rational expressions.
, 
A. -2(x - 5)(x + 3) B. -2(x - 5)(x - 3) C. -2(x + 5)(x + 3) D. -2(x + 5)(x - 3)
Determine which diagram is shaded to represent the given fraction.
A. 
B. 
C. 
D. 
Find a bound on the real zeros of the polynomial function.f(x) = 5x3 - x2 + 0.4x - 0.06
A. -2 and 2 B. -1.46 and 1.46 C. -5 and 5 D. -1 and 1