EOC Practice #12 SPI 3102.3.3.

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EOC Practice #12 SPI 3102.3.3

EOC Practice #12 Factor Polynomials

Factor the following polynomials.

x2 + 8x + 15 A. (x + 3)(x + 5) B. (x – 3)(x + 5) C. (x + 3)(x – 5) D. (x – 3)(x – 5)

x2 – 11x + 24 A. (x + 3)(x – 8) B. (x – 2)(x – 12) C. (x – 3)(x – 8) D. (x + 2)(x + 12)

6x2 – 23x + 20 A. (2x – 5)(3x – 4) B. (2x – 5)(3x + 4) C. (2x – 5)(4x – 3) D. (3x – 4)(5x + 2)

4x2 – 5x – 6 A. (x + 2)(3x + 4) B. PRIME C. (x – 3)(4x + 2) D. (x – 2)(4x + 3)

30x2y4z + 35x3yz5 – 5xy2z6 A. 7xyz(6x + 5x2z4 – y) B. PRIME C. 5xyz(6xy3 + 7x2z4 – yz5) D. 6x2y4z + 5x3yz5 – 1xy2z6

x3 + 5x2 + 7x + 35 A. x(x2 + 5x + 7) B. (x + 5)(x2 + 7) C. (x + 7)(x2 + 5) D. x(x2 + 5x + 42)

8x2 + 2x – 15 A. (4x – 5)(2x + 3) B. (4x + 5)(2x – 3) C. (8x – 5)(x + 3) D. (8x – 3)(x + 5)

8. Which expression is equivalent to n2 – 16n + 64? A. (n – 32)(n – 2) B. (n + 16)(n – 4) C. (n – 8)(n – 8) D. (n + 8)(n + 8)

9. Which expression is equivalent to A. (x + 9)(x – 4) B. (x – 6)(x – 6) C. (x + 6)(x + 6) D. (x + 6)(x – 6)

10. Which expression is equivalent to c2 + 20c + 100? A. PRIME B. (c + 10)(c + 10) C. (c – 10)(c – 10) D. (c + 10)(c – 10)

The Answers

Factor the following polynomials.

x2 + 8x + 15 A. (x + 3)(x + 5) B. (x – 3)(x + 5) C. (x + 3)(x – 5) D. (x – 3)(x – 5)

x2 – 11x + 24 A. (x + 3)(x – 8) B. (x – 2)(x – 12) C. (x – 3)(x – 8) D. (x + 2)(x + 12)

6x2 – 23x + 20 A. (2x – 5)(3x – 4) B. (2x – 5)(3x + 4) C. (2x – 5)(4x – 3) D. (3x – 4)(5x + 2)

4x2 – 5x – 6 A. (x + 2)(3x + 4) B. PRIME C. (x – 3)(4x + 2) D. (x – 2)(4x + 3)

30x2y4z + 35x3yz5 – 5xy2z6 A. 7xyz(6x + 5x2z4 – y) B. PRIME C. 5xyz(6xy3 + 7x2z4 – yz5) D. 6x2y4z + 5x3yz5 – 1xy2z6

x3 + 5x2 + 7x + 35 A. x(x2 + 5x + 7) B. (x + 5)(x2 + 7) C. (x + 7)(x2 + 5) D. x(x2 + 5x + 42)

8x2 + 2x – 15 A. (4x – 5)(2x + 3) B. (4x + 5)(2x – 3) C. (8x – 5)(x + 3) D. (8x – 3)(x + 5)

8. Which expression is equivalent to n2 – 16n + 64? A. (n – 32)(n – 2) B. (n + 16)(n – 4) C. (n – 8)(n – 8) D. (n + 8)(n + 8)

9. Which expression is equivalent to A. (x + 9)(x – 4) B. (x – 6)(x – 6) C. (x + 6)(x + 6) D. (x + 6)(x – 6)

10. Which expression is equivalent to c2 + 20c + 100? A. PRIME B. (c + 10)(c + 10) C. (c – 10)(c – 10) D. (c + 10)(c – 10)