Algebra I - wsfcs.k12.nc.us



Algebra I

Factoring with GCF (Greatest Common Factor)

I. Review

1. [pic]

II. Factor

2. [pic] 3. [pic] 4. [pic]

5. [pic] 6. [pic] 7. [pic]

8. [pic] 9. [pic]

III. Applications

Write an expression in factored form for the area of each shaded region.

10. 11

12. Mr. Garcia bought a house in New Bern. He wants to plant grass on the ground around the house as shown in the diagram. Write the area of the lawn in factored form.

[pic]

13. The area of a rectangle is [pic]. Find the length and the width.

14. The area of rectangle is [pic]. Find the perimeter of the rectangle.

Homework:

1) [pic] 2) [pic] 3) [pic]

4) [pic] 5) [pic] 6) [pic]

7) [pic] 8) [pic] 9) [pic]

10) [pic] 11) [pic] 12) [pic]

13) [pic] 14) [pic] 15) [pic]

16) [pic] 17) [pic] 18) [pic]

19) [pic] 20) [pic] 21) [pic]

22) [pic] 23) [pic] 24) [pic]

25) [pic] 26) [pic] 27) [pic][pic]

28) Write an expression in factored form for the area of each shaded region.

[pic]

29) The area of a rectangle is [pic]. Find the length and width of the rectangle.

30) The area of a rectangle is [pic]. Find the perimeter of the rectangle.

-----------------------

F

4

4

4

4

G

P

P

P

r

r

2

2

2

2

a

b

house

x

x

lawn

x + 8

x + 8

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