A. Directions: Choose the letter of the correct answer.

1. Find the product by inspection (7x – 10y) (7x – 10y).

A. 49x2

– 140xy + 100y2

B. 40x2

– 140xy + 90y2

C. 40y2

– 140xy + 90x2

D. 49y2

– 140xy + 100x2

2. Find the product by inspection (4u – 9v) (4u – 9v).

A. 72u2

+ 16uv + 81v2

B. 72v2

+ 16uv + 81u2

C. 16u2

+ 72uv + 81v2

D. 16u2

- 72uv - 81v2 3. Find the product by inspection (3x + 4)2.

A. 9x2

- 24x - 16

B. 6x2

- 20x - 12

C. 6x2

+ 20x + 12

D. 9x2

+ 24x + 16

4. Find the product by inspection (2x + 5)2.

A. 4x2

– 20x2

+ 25

B. 4x2 + 20x + 25

C. 4x2

- 20x - 25

D. 4x2

+ 20x2

- 25

5. Find the product by inspection (x3 – 4y)2.

A. x

6

– 8x3y + 16y2

B. x

6

+ 8x3y - 16y2

C. x

3

+ 8x3y3

- 16y3

D. x

3

- 8x3y3

+ 16y3

B. Directions: Complete each factorization.

1-2. 10x2 + 29x + 10 = (5x+____) (2x + ____)

3-4. 15x2 – 22x +8 = (3x - ____) (5x - ____)

5. 12x2 – x – 35 = (3x + ____) (4x- 7)

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