Use the quadratic formula to solve the equation. Simplify any radicals.x2 = 3 - 4x
A. {-1 ± 
}
B. {-2 ± 2
}
C. {2 + 
}
D. {-2 ± 
}
Answer: D
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Give the least common denominator (LCD) for these fractions: 
,
.
A. 6 B. 54 C. 36 D. 18
Find a rectangular equation for the plane curve defined by the parametric equations.x = 3 tan t, y = 4 sec t; 0 ? t ? 2?
A. y = x2 - 9; for x in -3 ? x ? 3
B. 
+ 
= 1; for x in -? < x < ?
C. 
- 
= 1; for x in -? < x < ?
D. y = 4
; for x in -? < x < ?
Evaluate the expression.32 ÷ 3 ? 9 + 8
A. 216 B. 35 C. 3 D. 19
Find the missing quantities. If there is no operating loss or absolute loss, write "none."
A. Breakeven point = $197 Reduced price = $178 Absolute loss = $50 B. Breakeven point = $197 Reduced price = $178 Absolute loss = none C. Breakeven point = $135 Reduced price = $116 Absolute loss = none D. Breakeven point = $135 Reduced price = $116 Absolute loss = $12