Question

1. What is the simplified form of the expression?

Hint: Combine like terms
7m2 + 6.5n – 4n +2.5m2 – n
 9.5m2 + 1.5n
 4.5m2 + 1.5n
 9.5m2 – 1.5n
2. Simplify the expression 21 27
3
1
m  .
Hint: Use the Distributive Property
 7m + 27
 7m + 9
 63m + 9
3. What is the sum? 



 
8
3
3
7
Hint: Find a common denominator



4. Which property is illustrated by the statement? 2
9
3
9
3
2 



  




 Associative Property of Addition
 Commutative Property of Multiplication
 Inverse Property of Multiplication
5. Which property is illustrated by the statement? 8 + 3.4 = 3.4 + 8
 Associative Property of Addition

Answer 1

7m2 + 6.5n – 4n +2.5m2 – n

Adding like terms:-

= 9.5m^2 + 1.5 n