# 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

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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