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Practice B

Use the Distributive Property to find the product.

1.    (v - 6)(v - 1)    2.    (i/ + 8)(w-5)    3.    (2*    +    3)(x    -    5)

4.    (n - 9)(3w + 1)    5.    (4y + 3)(5>> - 2)    6.    (3?    -    3)(2q    +    4)

7.    The length of a tablet can bc rcpresentcd by (2n + 7). The width of the tablet can be represented by (5w - 1). Write a polynomial that represents the area of the tablet.

Use the FOIL Method to find the product.

10. (w + 3)(w + 8) 13. (3/ + 2)(4/ - 5)

8.    (m + 7){m - 2)    9.    (x - 6)(x - 5)

11.    (2-y)(3 + y)    12.    (6v + l)(v + 3)

(b + 2) in.

(b + 6) in.

14.    A placemat is in the shapc of a trapczoid.

a.    Write a polynomial that represents the area of the placemat.

b.    Use the polynomial is part (a) to find the area of the placemat when b = 5.

c.    The materiał for the placemat costs $0.50 per square inch. What is the price of making 10 placemats when b - 5?

Find the product.

15.    (* + 3)(x² - l)    16.    (r + 3i)(2r + s)

17.    (46 - 3c)(6 - 5c)    18.    (v + 2)(3v² - 7v + 9)

19.    (p² +7p- l)(/> -    3)    20.    (3z + 2)(2z² - 5z + 4)

21. The length of a rectangle is represented by the sum

(3x² + x - 2) + (x + 7). The width of the rectangle is represented by 6x - 1.

a. Write a polynomial that represents the length of the rectangle in simplest form.

b. Write a polynomial that represents the area of the rectangle.