Expert Answers

1.       The volume (V) of a cylinder with radius (r) and height (h) is given by V = πr2h.  Solve this formula for r.

 2.         The quotient of two real numbers with different signs is negative.

3.         Simplify the following expression:                          

4.         Graph the following equation:                    

5.         What are the equation and slope of the y-axis? 

6.         Given f(x) = 2x – 8, find f(3).

7.         Solve the following inequality. Give each result in set notation and graph it:

8.         Solve the following inequality. Write the solution in interval notation and graph it.

9.         Simplify the following product.

10.       Simplify the following expression fully:

11.       Solve the equation 7(x + 5) = x – 1

12.       Completely factor the following expression: 16m4 – 1.

13.       Write the numeral 0.0072 in scientific notation.

14.       Perform the indicated operation and simplify completely.

15.       Solve the following equation for r:   d = rt

16.       Solve the system of equations given below.

17.       Do the following two lines intersect? Answer yes or no, together with the point of intersection, if any.

18.       Compute the determinant:                         

19.       Compute the distance between the two points   and  

20.       Rationalize the denominator of  
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