Unit 4 Polynomials Worksheet Page 9
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2915. (4n
+ 8n
- 9) + (5n
+ 3) - (7n
+ 2n)
3
2
2
3
16. Find the perimeter of the rectangle.
17. The perimeter of the pentagon is 7x
+9x
-6x
+10, what
4
3
2
is the missing side?
18. If the perimeter of a square is 12x
-8x
+20x-4, what is the length of one side?
5
2
19. Ana knows the perimeter of her backyard is (6x
+14x) feet. If the length of
2
her backyard is (2x
+3x-7) feet, what is the width of her backyard?
2
20. The area of the square is represented by the expression 4x
+4x+1.
2
The area of the rectangle inside is represented by the expression
x
-5x+6. Using the diagram, find the area of the shaded region.
2
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