Simplify the expression. If any variables exist, assume that they are positive.6
- 2
- 
A. 4x
B. 18x
C. 3x
D. 17x
Answer: D
Mathematics
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Solve the inequality, then graph the solution.6 ? 
? 9
A. 
 ? |  |
B.
 ? |  |
C.
, 
-  |  |
D.
-  |  |
Mathematics
Find the focus and directrix of the parabola.y = 9x2
A. 
, y = 
B. 
, x = - 
C. 
, x = - 
D. 
, y = - 
Mathematics
Determine if the equations in the given pair are equivalent. Each equation has only one solution.3x - 5 = -23 and x = -6
A. Equivalent B. Not equivalent
Mathematics
Find the vertices of the hyperbola. 7x2 - y2 = 63
A. (0, 3) and (0, -3) B. (9, 0) and (-9, 0) C. (3, 0) and (-3, 0) D. (0, 7) and (0, -7)
Mathematics