Use completing the square to rewrite the equation in one of the standard forms for a conic and identify the conic.x2 + 8x - y + 9 = 0
A. 
- 
= 1; hyperbola
B. 
+ 
= 1; ellipse
C. x2 + y2 = 28; circle
D. y = (x + 4)2 - 7; parabola
Answer: D
Mathematics
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Refer to this figure to answer the question. Assume 
and 
are parallel.
What is the measure of ?CDE?
A. 180° B. 120° C. 90° D. 0°
Mathematics
Solve the problem. Round to the nearest cent.The unpaid balance in an account on November 1 was $155. A payment of 
was made on November 8. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of November.
A. $2.86 B. $1.28 C. $1.16 D. $1.30
Mathematics
Find the quotient.-12 ÷ 12
A. -12 B. -1 C. 0 D. 1
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics