Provide an appropriate response.Describe some situation in which it would be important to be able to simplify radical expressions.
What will be an ideal response?
Answers will vary. A sample answer might be: There might be a lengthy calculation containing several radical expressions. Simplifying the expressions might help to reduce errors in computing the final result of the calculation.
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Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.2p-4
A. 25p4
B. 
C. 
D. 
Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms.
+ 
+ 
A. 
B. 
C. 
D. 
Sketch a graph of f.f(x) = -x2 + 5
A. 
B. 
C. 
D. 
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
A. No; x is a negative term B. Yes; degree 3 C. Yes; degree 1 D. No; it is a ratio