Write the equation in standard form for an ellipse or a hyperbola centered at (h, k).12x2 - 84x + 16y2 + 48y + 171 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Factor completely.p2qr + 8pqr - 48qr
A. qr(p + 12)(p - 4) B. (pqr - 48)(p + qr) C. (pqr + 12)(p - 4qr) D. qr(p - 12)(p + 4)
Evaluate the piecewise-defined function at the indicated value.f(x) = 
; f(-2)
A. -4 B. 14 C. -9 D. 11
Solve the problem.A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $6.00 B. $12.00 C. $24.00 D. $1.20
Provide an appropriate response.True or False? In order to multiply a number by a negative power of ten, you must move the decimal point to the left as many places as indicated by the absolute value of the exponent on the ten.
A. True B. False