Use the quadratic formula or graphing methods to solve the inequality.9x2 ? 3 - 3x
A. x ? 
? -0.768 or x ? 
? 0.434
B. x ? 
? -0.768
C. x ? 
? 0.434
D. 
? -0.768 ? x ? 
? 0.434
Answer: D
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What will be an ideal response?
Evaluate the indicated power of i.i42
A. i B. 1 C. -i D. -1
Convert the equation to the standard form for a hyperbola by completing the square.4x2 - 25y2 + 16x - 100y - 184 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Write the basic solution for the simplex tableau determined by setting the nonbasic variables equal to 0. 
A. x1 = 0, x2 = 0, x3 = 18, x4 = 0, x5 = 25, z = 19 B. x1 = 25, x2 = 0, x3 = 18, x4 = 0, x5 = 0, z = 19 C. x1 = 0, x2 = 0, x3 = 25, x4 = 0, x5 = 18, z = 19 D. x1 = 25, x2 = 0, x3 = 0, x4 = 0, x5 = 18, z = 19