Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x5/8 ? x3/8
A. x15/8
B. x15/64
C. 
D. x
Answer: D
Mathematics
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Use the graph to estimate the specified limit.Find 
f(x) and
f(x)
A. 3; 1 B. -3; -1 C. 3; -1 D. -1; 3
Mathematics
Express the number in scientific notation.4,200,000,000,000
A. 4.2 × 10-9 B. 4.2 × 109 C. 4.2 × 1012 D. 4.2 × 10-12
Mathematics
Use the ac method to factor the trinomial, or state that the trinomial is prime.8x2 - 18x + 9
A. (8x + 3)(x + 3) B. prime C. (2x + 3)(4x + 3) D. (2x - 3)(4x - 3)
Mathematics
Answer the question.To complete the square of 2x2 + 4x = 8, is it ever a good idea to divide by the coefficient of x2?
What will be an ideal response?
Mathematics