Homework #1

1 . Solve the equation

A ) -2

C ) 2

2 . Add or subtract as indicated (6n5 - 18n4 - 19n ) - (9n5 16n4 - 2n

A ) -54n10

B ) -3n5 - 34n4 - 17n

C ) -3n5 - 34n4 - 21n

D ) -3n5 - 9n4 - 21n

3 . Simplify the complex fraction

B ) 1

C ) 16

4 . Mark the statement as true or false

The absolute value of any nonzero number is positive

A ) True

B ) False

5 . Evaluate the expression , given x -2 , y 3 , and a -4

-6 (x 4 5a2

A ) -92

p B ) 44

C ) -32

D ) 68

6 . Graph the inequality on a number line . B (- , 6]

7 . Simplify the complex fraction

8 . Simplify the complex fraction

A ) 1 - a2

B ) 1

9 . Find the product (x - 10y (x 2y

A ) x2 - 8xy - 8y2

B ) x - 8xy - 20y

C ) x2 - 8xy - 20y2

D ) x2 - 11xy - 20y2

10 . Perform the indicated operation . Give the answer in lowest terms

C ) 1

11 . Evaluate the expression . Write answer without exponents (-5 )0

A ) 0

B ) -1

C ) 1

D ) -5

12 . Name the property illustrated

7 4 4 7

A ) Identity property

B ) Associative property

C ) Distributive property

D ) Commutative property

13 . Evaluate the expression using of operations

14 . Add or subtract as indicated (-8x2 7x4 - 7 - 9x3 ) - (-8 6x3 2x4 - 6x2

A ) 5x4 - 3x3 - 14x2 - 15

B ) 9x4 - 3x3 - 14x2 - 15

C ) 9x4 - 3x3 - 14x2 1

D ) 5x4 - 15x3 - 2x2 1

15 . Use a calculator to evaluate the expression (-2 .7 )11

A ) 55 ,590 .6057

B...