Find the value of the polynomial 8x ndash 6 when x 1 and


1. Remove the parentheses.     –(3x + 5y)

A)  3x – 5y    B)  –3x + y    C)  –3x – 5y    D)  –3x + 5y

2. Find the value of the polynomial –x2 + 3x – 1  when x = 4.

A)  –29    B)  27    C)  –5    D)  –3

3. Multiply.    10x(–4x – 7)

A)  –110x2    B)  –40x2 – 70x    C)  40x2 – 70x    D)  –40x2 – 7x

4. Which of the following is not a polynomial?

A)  24    B)  4x3 + 5x – 1    C)  2x –      D)  3xy2 + xy

6. Add 5y – 4 and 2y2 – 8y.

A)  2y2 + 13y – 4    B)  2y2 – 3y – 4    C)  2y2 + 3y – 4    D)  7y2 – 12y – 4

7. Classify the following, if possible.     7x2 + 10xy + y2

A)  Not classified    B)  Trinomial    C)  Monomial    D)  Binomial

8. Multiply.  Write the answer in scientific notation.

(2.4 * 10–5)(4 * 10–4)

A)  9.6 * 10–9    B)  9.6 * 1020    C)  9.6 * 10–10    D)  4.4 * 10–11

11. Subtract 5m2 + 2m + 9 from 7m2 – 5m – 8.

A)  2m2 – 3m – 17    B)  2m2 – 7m – 17    C)  2m2 – 7m + 1    D)  2m2 – 3m + 1

12. Multiply.     (3x – 1)(2x + 5)

A)  6x2 + 17x – 5    B)  6x2 – 13x – 5    C)  6x2 – 17x – 5    D)  6x2 + 13x – 5

15. Multiply.     (2x – 4)2

A)  4x2 + 16    B)  2x2 – 8x + 16    C)  4x2 – 16x + 16    D)  4x2 – 8x + 16

16. Simplify.     (4x)2

17. Multiply.     (x + 2)(x – 2)

18. Write in descending-exponent form, and give the degree.

4x5 + x8 – 7

19. Multiply.     3xy2(5xy – 4x + 6y)

20. Simplify.     (m5)8

21. Write 9.03* 10–2 in standard notation.

22. List the terms and coefficients.     8x3 – 4x2 + 3

23. Write using positive exponents only.     b–2  

24. Find the value of the polynomial 8x – 6 when x = 1 and when x = –1.

25. Multiply.     (x – 8)2

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Mathematics: Find the value of the polynomial 8x ndash 6 when x 1 and
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