Multiply.-8ax2(3ax5 + 8x4)
A. -24ax - 64x
B. -24a2x7 + 8x4
C. -24a2x7 - 64x6
D. -24a2x7 - 64ax6
Answer: D
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Graph the solution set of the system.y ? - x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.4(3x - 1) = 16
A. {1.41} B. {1.67} C. {0.33} D. {1.00}
Find the standard form of the equation of the ellipse and give the location of its foci.
Center at (-1, 1)
A. 
+ 
= 1
foci at (-1 + 3
, 1) and (-1 - 3
, 1)
B. 
+ 
= 1
foci at (- 3
, 1) and (3
, 1)
C. 
+ 
= 1
foci at (-1 + 3
, -1) and (-1 - 3
, -1)
D. 
+ 
= 1
foci at (1 + 3
, -1) and (1 - 3
, -1)
Solve the problem.In a probability model, which of the following numbers could be the probability of an outcome:0, 0.2, -0.01, - 
, 
, 
, 1, 1.5
A. 0, 0.2, -0.01, 1, 1.5
B. 0, 0.2, 
, 1
C. 0, 0.2, -0.01, - 
, 
, 1
D. 0.2, 
, 1