Quiz 1 Solutions

# 6 points circle each correct property of exponents

• Notes
• 3

This preview shows page 2 - 3 out of 3 pages.

3. (6 points) Circle each correct property of exponents and radicals (there may be more than one correct answer) a. m n m n a a a + = b. nm m n ab b a = c. nm m n a a = ) ( d. n n n b a ab = ) ( e. n n n b a b a + = + ) ( f. n n n b a b a = 4. (2 points each) Perform the given polynomial or rational expression operation. a. ) 4 6 2 ( ) 6 3 ( 2 3 3 x x x x x + - - - + x x x x x 4 6 2 6 3 2 3 3 - + - - + Remove Parenthesis 6 6 2 3 - - + - x x x Combine Like Terms (Finished) b. ) 4 2 )( 6 ( 2 3 - + y y y Method 1: Method 2: ) 4 2 ( 6 ) 4 2 ( 2 2 3 - + - y y y y Distribute ) 4 )( 6 ( 2 ) 6 ( 3 2 3 - + + + y y y y y 4 6 2 6 4 2 2 3 2 3 y y y y y y - + - Distribute ) 4 ( 6 ) 4 ( 2 6 2 3 2 2 3 - + - + + y y y y y y y y y y 24 12 4 2 3 3 5 - + - Multiply y y y y 24 4 12 2 3 3 5 - - + y y y 24 8 2 3 5 - + Combine Like Terms (Finished) c. ) 2 ( ) 8 12 6 ( 2 3 - ÷ - + - t t t t Answer: 4 4 2 + - t t 4 4 8 12 6 2 2 2 3 + - - + - - t t t t t t 2 3 2 t t - t t 12 4 2 + - t t 8 4 2 + - 8 4 - t 8 4 - t 0 Remainder 5. (2 points each) Factor each polynomial.

Subscribe to view the full document.

Quiz 1 Name: ________________________ Math 115 – 007 August 27, 2009 a. 99 2 2 - + x x a = 1, b = 2, c = –99 Factor ) 9 ( 11 99 - = - Method 1 Method 2 99 2 2 - + x x 99 2 2 - + x x 99 9 11 2 - - + x x x 99 11 9 2 - + - x x x ) 11 ( 9 ) 11 ( + - + x x x ) 9 ( 11 ) 9 ( - + - x x x ) 11 )( 9 ( + - x x ) 9 )( 11 ( - + x x b. 35 11 6 2 - + x x a = 6, b = 11, c = –35 Factor ) 10 ( 21 210 35 6 - = - = - Method 1: Method 2: 35 11 6 2 - + x x 35 11 6 2 - + x x 35 10 21 6 2 - - + x x x 35 21 10 6 2 - + - x x x ) 7 2 ( 5 ) 7 2 ( 3 + - + x x x ) 5 3 ( 7 ) 5 3 ( 2 - + - x x x ) 7 2 )( 5 3 ( + - x x ) 5 3 )( 7 2 ( - + x x
You've reached the end of this preview.
• Fall '09
• Ms.Park
• Math, Addition, Correct Answer, Elementary algebra, B. Associative Property, B H F G D B. Associative, Distributive Property Identity

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern