# Expert Answers

1. Simplify the following expression:

3. Graph the following equation:

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

5. Given f(x) = 2x – 8, find f(3).

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

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

8. Simplify the following product.

9. Simplify the following expression fully:

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

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

12. Write the numeral 0.0072 in scientific notation.

13. Perform the indicated operation and simplify completely.

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

15. Solve the system of equations given below.

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

17. Compute the determinant:

18. Compute the distance between the two points and

19. Rationalize the denominator of

20. The volume (V) of a cylinder with radius (r) and height (h) is given by V = πr2h.

Solve this formula for r.

3. Graph the following equation:

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

5. Given f(x) = 2x – 8, find f(3).

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

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

8. Simplify the following product.

9. Simplify the following expression fully:

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

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

12. Write the numeral 0.0072 in scientific notation.

13. Perform the indicated operation and simplify completely.

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

15. Solve the system of equations given below.

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

17. Compute the determinant:

18. Compute the distance between the two points and

19. Rationalize the denominator of

20. The volume (V) of a cylinder with radius (r) and height (h) is given by V = πr2h.

Solve this formula for r.

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