WA5_MAT-115-mar18.docx - WA5 Determine the degree of the...

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WA5 Determine the degree of the polynomial.
Simplify. 5. 4 x 2 + x 2 + 5 a a = ¿ 5x 2 +4a 6. 5 ab −(− 2 ab ) = 7ab 7. 10 x 4 y 12 x = 2x-4y 8. ( 5 w 2 + 11 w + 6 )+( 2 w 2 3 w 5 ) = 7w 2 +8w+1 9. ( 5 w 2 + 11 w + 6 )−( 2 w 2 3 w 5 ) = 3w 2 +14w+11 10. ( a 2 b 2 )+( a 2 3 ab 2 b 2 ) = 2a 2 -3ab-3b 2 11. ( a 2 b 2 )−( a 2 3 ab 2 b 2 ) =3ab+b 2 Solve. 12. For the function f ( x )= 2 x 2 2 x + 4 , find: a. f(3) f(3)=2(3) 2 -2(3)+4 f(3)=16 b. f(-2) f(-2)=2(-2)2-2(-2)+4 f(-2)=16 Copyright © 2018 by Thomas Edison State University. All rights reserved.
c. f(0) f(0)=2(0)2-2(0)+4 f(0)=4 13. For the function f ( x )= 20 4 x 2 , find: a. f(3) f ( 3 )= 20 4 ( 3 ) 2 f(3)=16 b. f(-2) f (− 2 )= 20 4 (− 2 ) 2 f(-2)=4 c. f(0) f(0)=20-4(0)2 f(0)= 20 Simplify using the properties of exponents. 14. w 2 w 5 w 3 =w 10 15. y x y 3 = y x+3 16. p 12 p 4 = p 8 17. 3 0 =1 18. −( 3 ) 0 =1 Write with positive exponents. 19. w 2 =1/2 w 20. 10 2 =1/2 10 21. ( 2 3 ) 3 27/8 22. 3 4 1 = 3/4 Simplify. 23. (− 4 y 4 w 3 )( 3 y 2 w 5 ) = 12y 6 w 8 Copyright © 2018 by Thomas Edison State University. All rights reserved.
24. p 5 p 2 p 2 =p 25. p 5 p 2 p 4 =1/p 26. ( x 2 x 6 x 3 ) 2 =2/11 x 27.

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