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Week 5 Algebra Quiz

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1. Evaluate:

+ 3 2

2. Simplify the following expression:

-3(-2x - w) +3(4w - 5x)

3. The surface area of S of a right prism is given by:
S = 2B + Ph,

Where B is the area of the base, P is the perimeter of the base, and h is the height of the prism.

Solve for P.

4. Solve the following equation for x:

5(x + 9) = -3x - 11

Simplify your answer as much as possible.

5. Find the values of x and y that solve the following system of equations:

5x + 2y = -2
9x + 7y = -7

6. Simplify the following:

7. Simplify. Write your answer without parentheses.

8. Rewrite the following without an exponent.

9. Simplify:

3x z 8z 3y y x

Use only positive exponents to write your answer.

10. Simplify the following:

(-9z + 6z + 9) - (7z + 9z) + (-8z + 8z - 9)

11. Perform the following multiplications.

3z 2z t 5t

12. Multiply:

(x - 7) (x + 2)
Simplify your answer.

13. Rewrite without parentheses and simplify:

14. Factor:

z - 25x

15. Factor:

3x - 13xy + 14y

16. Express the following compound fraction in lowest terms.

________________

17. Subtract and simplify:

-

18. Reduce the following expression to lowest terms:

19. Solve for w:

-9 =
Simplify your answer as much as possible.

20. Rationalize the denominator and simplify:

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