Factor the expression. Express your answer so that only positive exponents occur. x-2/5 + x-4/5
A. x-4/5(x2/5)
B. x-4/5(x2/5 + 1)
C. x-4/5(x2/5 + x)
D. x-4/5(x2/5 - 1)
Answer: B
Mathematics
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Factor completely. If the polynomial is prime, state so.81x2 - 144x + 64
A. (9x - 8)2 B. (9x + 8)2 C. (81x + 1)(x + 64) D. (9x - 8)(9x + 8)
Mathematics
Solve.
= 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Locate the point on a rectangular coordinate system. Identify the quadrant , if any, in which the point lies.(6, 18)
A. III B. II C. I D. IV
Mathematics