6C Chapter 3 Review

Front

(4y - 8) - (3y - 9)

Back

y + 1

Front

(7a + 4) - (9a + 2)

Back

-2a + 2

Front

(-11a + 7) – (11a – 7)

Back

-22a + 14

Front

5(x-4) + (2x-7)

Back

7x - 27

Front

Find (2x + 3) + (x + 4)

Back

3x + 7

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What does it mean to combine like terms?

Back

Combining like terms means to simplify expressions by adding or subtracting terms that have the same variable raised to the same power.

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value, often represented by letters like x, y, or a.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, *, /) without an equality sign.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.