Use completing the square to rewrite the equation in one of the standard forms for a conic and identify the conic.x2 + y2 + 8x - 10y + 28 = 0
A. 
+ 
= 1; ellipse
B. 
- 
= 1; hyperbola
C. (x - 4)2 + (y + 5)2 = 
; circle
D. (x + 4)2 + (y - 5)2 = 13; circle
Answer: D
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Solve.A diamond necklace normally sells for $45,657. If it is first discounted by 10% and then taxed at 9%, find the total price.
A. $44,789.52 B. $44,889.52 C. $44,799.52 D. $44,794.52
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
MAJORHow many students are in the College of Arts and Sciences?
A. 1,050 B. 1,250 C. 1,325 D. 1,225
Solve the inequality.x2 - 6x ? -8
A. x ? 2 B. x ? 2 or x ? 4 C. x ? 4 D. 2 ? x ? 4
Solve.The maximum number of volts, E, that can be placed across a resistor is given by the formula 
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. If a 
-watt resistor has a resistance of 400 ohms, find the largest number of volts of electricity that could be placed across the resistor.
A. 10 volts B. 5 volts C. 20 volts D. 100 volts