Use a system of equations to find the parabola of the form 
that goes through the three given points.
, 
, 
A. y = -3x2 - 4x + 2
B. y = -3x2 - 4x - 2
C. y = -3x2 + 4x - 2
D. y = 3x2 - 4x - 2
Answer: B
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Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 87? Round to the nearest hundredth if necessary.
A. 101.06 hr B. 6.03 hr C. 24.50 hr D. 2.45 hr
Solve. Write a mixed numeral for the answer.A photograph measuring 
by 
is put in a frame measuring 
by 
What is the area of the border around the photo?
A. 22
in.2
B. 19
in.2
C. 21 in.2
D. 24 in.2
Solve.The profit made when t units are sold is given by 
for t > 0. Determine the values of t for which P < 0 (a loss is taken).
A. (0, ?) B. [16, 18] C. (-?, 16) ? (18, ?) D. (16, 18)
Graph the ellipse. Label the intercepts.
+ 
= 1
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
