Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
3
-2
A. 
B. 25r5
C. 25r
D. 5r
Answer: D
Mathematics
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Factor completely.125c6 + 8d6
A. (5c2 + 2d2)(25c4 - 10c2d2 + 4d4) B. (5c + 2d)(25c2 - 10cd + 4d2) C. (5c2 - 2d2)(25c2 + 10c2d2 + 4d4) D. (5c + 2d)(25c5 - 10cd + 4d5)
Mathematics
Simplify.(3 - 9)2 ÷ (7 - 6)4
A. 12 B. 36 C. -36 D. -12
Mathematics
Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.5x2 + 3y2 + 12y - 3 = 0
A. C(-2, 0); V(-2, ±
); 
+ 
= 1
B. C(-2, 0); V(±2, 
); 
+ 
= 1
C. C(0, -2); V(0, -2 ± 
); 
+ 
= 1
D. C(0, -2); V(±
, -2); 
+ 
= 1
Mathematics
Solve the problem.Between what two integers does the solution of log7 x = 1.56 lie?
What will be an ideal response?
Mathematics