# Section 2.6 - Simplyfying Polynomial Expressions

9 Questions | Total Attempts: 247

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Complete the following questions

• 1.
Simplify 3(4x^4 - x^3) - 5(x^4 - 2x^3)
• A.

9x^4 + 5x^3

• B.

7x^4- 13x^3

• C.

7x^4 + 7x^3

• D.

14x^7

• 2.
Simplify -4(a - 5) - 6(2 + a)
• A.

-10a^2 + 8a

• B.

-10a + 8

• C.

2a + 32

• D.

-2a - 8

• 3.
Simplify -x(-7x^2 - 3x + 5) - 2x(x^2 + 6x - 10)
• A.

-9x^3 - 15x^2 + 25x

• B.

9x^3 + 15x^2 - 25x

• C.

9x^3 + 15x^2 + 25x

• D.

5x^3 - 9x^2 + 15x

• 4.
Simplify 3n(3n^2 + 8n - 1)- 3(n^2 + 5) + 2n^2(n - 9)
• A.

11n^3 + 3n^2 - 3n - 15

• B.

7n^3 + 9n^2 - 3n - 15

• C.

6n^3 + 23n^2 - 3n - 15

• D.

11n^3 + 9x^2 - 3n - 15

• 5.
Simplify -2(5k^2 - 3k - 4) + k(k + 4) - k^2(2k + 4)
• A.

-15k^2 + 6k + 8

• B.

-2k^3 + 7k^2 - 2k - 8

• C.

2k^3 - 5k^2+ 10k + 8

• D.

-2k^3 - 13k^2 + 10k + 8

• 6.
Expand and Simplify -4.2(-2m + 3.3) + 1.2(4.1m - 5)
• A.

-13.32m + 19.86

• B.

13.32m - 19.86

• C.

3.48m - 7.86

• D.

3.48m - 19.86

• 7.
Expand and Simplify the above
• A.

-3 1/40x - 1/48

• B.

-3 5/16x - 4/15

• C.

-3 9/40x - 17/48

• D.

3 9/40x + 17/48

• 8.
Determine the area of the shaded portion of the rectangle
• A.

2x^2 +21x

• B.

12x^2 + 21x

• C.

12x^2 + 11x

• D.

22x^2 + 21x

• 9.
Determine the area of the shaded portion of the rectangle
• A.

88n^2 + 94n

• B.

88n^2 + 74n

• C.

8n^2 +94n

• D.

8n^2 + 74n

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