Unit Review: Expressions

O.1Evaluate each expression for the given values.

1. 1
   $12-8a$ when $a=-3$
2. 2
   $-2m+12$ when $m=-3$

O.2Simplify each expression.

1. 3
   $1-6x-8-5x+8x$ 
2. 4
   $6y-4+y+4y$ 

O.3Use the distributive property to write each expression without parentheses.

1. 5
   $-8(x-5)$ 
2. 6
   $2(6p-9)$ 

O.4Factor out the greatest common factor.

1. 7
   $35m-21$ 
2. 8
   $4y+28$ 

O.5Simplify each expression.

1. 9
   $(-n-5)-(3n-5)$ 
2. 10
   $(8m+3)-(-7m-2)$ 

O.6Choose every expression that is equivalent. There may be more than one.

1. 11
   Which are equivalent to $5(n+1)+n$? (A) $11n$ (B) $5n+5$ (C) $6n+7$ (D) $6n+5$
2. 12
   Which are equivalent to $2(x+6)$? (A) $4x+4-2x+8$ (B) $-2x+12$ (C) $2x+14$ (D) $14x$

O.7Simplify each expression.

1. 13
   $4(6x+9)$ 
2. 14
   $2(y-6)$ 

O.1Evaluate Expressions with Integers

1. 1$36$
2. 2$18$

O.2Combine Like Terms

1. 3$-3x-7$
2. 4$11y-4$

O.3Distributive Property

1. 5$-8x+40$
2. 6$12p-18$

O.4Factor Linear Expressions

1. 7$7(5m-3)$
2. 8$4(y+7)$

O.5Add & Subtract Linear Expressions

1. 9$-4n$
2. 10$15m+5$

O.6Identify Equivalent Expressions

1. 11D
2. 12A

O.7Simplifying Expressions Review

1. 13$24x+36$
2. 14$2y-12$