Page 20 - Math Course 2 (Book 1)

Using the Distributive Property

h + (h + 4) = (h + h) + 4 Associative Simplify 3m + 9 – m – 6.
Property
A. 2m + 3
= (1h + 1h) + 4 Identity Property B. 2m + 15
C. 4m + 3
= (1 + 1)h + 4 Distributive D. 4m + 15
Property

= 2h + 4 Simplify. Answer

The expression 2h + 4 represents
the total number of hours worked,
Answer where h is the number of hours
your friend worked.
Simplify 7b + 3(c – 2b).

A. b + c
B. b + 3c
Your Turn! C. 5b + 3c
D. 13b + 3c
Identify Parts of Expressions

Identify the terms, like terms, coef cients, and Answer
constants in the expression 5x + 3y – 2y + 6.

A. terms: 5x, 3y, –2y; like terms: 3y, –2y;
coef cients: 5, 3, –2; constant: 6

B. terms: 5x, 3y, –2y, 6; like terms: none;
coef cients: 5,3,–2; constant: 6
Real World Example
C. terms: 5x, 3y, –2y, 6; like terms: 3y, –2y;
coef cients: 5, 3, –2; constant: 6 LIBRARY BOOKS
You and a friend went to the library. Your friend
D. terms: 5x, 3y, –2y; like terms: 5x, 3y, –2y; borrowed three more books than you did. Write an
coef cients: 5, 3, –2, 6; constant: none expression in simplest form that represents the
total number of books you both borrowed.

Answer A. 4b
B. b + 3
C. 2b + 3
D. 2b + 3b
Simplify Algebraic Expressions

Simplify 5x + 3 + 7x. Answer

A. 15x
B. 12x + 3
C. 13x + 3
D. 35x + 3

Answer

12