Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-6x8y3)2
A. -36x16y6
B. 36x10y5
C. 36x16y6
D. -6x16y6
Answer: C
Mathematics
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Use the known graph of y = ln x to graph the equation.f(x) = -3 ln x 
A. 
B. 
C. 
D. 
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
Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.9, 
, 
, 
, ...
A. an = 9 - 
(n - 1)
B. an = 9 + 
(n - 1)
C. an = 9
n - 1
D. an = 9n - 1 - 
Mathematics
Perform the indicated operations.(9x2 - 7x - 9) + (2x2 - 3x + 2)
A. 11x2 + 10x - 7 B. 11x2 - 10x + 7 C. 11x2 - 10x - 7 D. -7x2 + 6x - 5
Mathematics