Test #3(mu)

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TEST #3: Polynomials
MAKE-UP
1. Simplify: ( 4a – 3b + 1 ) + ( 6a – 5b – 2 )
2. Simplify: ( -a2 – 5a + 3 ) – ( a2 + 3a – 2 )
3. Find the perimeter of the region.
2x
5x
4x
3x
2x
4. A rectangular pond is bordered on all sides by a deck. Write an expression to
describe the area of the deck.
x+2
x
2x
3x - 1
5. Simplify: (2x2y2) (-4xy)
6. Simplify: (12a) (
3 3
a )
4
7. Simplify: (-4c2d) (2cd) (-5cd3)
8. Simplify: (6x5)(2x4) – (3x2)(2x7)
9. Simplify: (2a2)(3a2) + (4a3)(a)
10. Simplify: (3a3)2
 1 4
11. Simplify:  x 
3 
3
12. Simplify: (6a7)2
13. Simplify: (3x2y3)3 (-2xy4)2
14. Multiply: -3(2a4 – a2 + 2a)
15. Multiply: 2x2(x2 - 3xy –y2)
16. Multiply: (x – 3) (x + 1)
17. Multiply: ( 4x + 1 ) ( 3x + 2 )
18. Multiply:
( 2x – 1 ) ( 4x – 2 )
19. Multiply:
( x + 1 ) ( 2x2 – x – 4 )
20. A gardener wants to enclose a small area next to his house to grow
blackberries. She plans to use 35 feet of fencing for 3 sides of the garden
and the house as the fourth side. If “x” represents the length of the sides
perpendicular to the house, write an expression to describe the area of the
garden.
35x – 2x
x
21. Express in scientific notation:
0.00009621.
x
22. Express in scientific notation:
4740 x 105