Math 6 Unit 6 Review

Front

Which expression is equal to 9^4?

Back

9 x 9 x 9 x 9

Front

Which expression is equal to 4^5?

Back

4 x 4 x 4 x 4 x 4

Front

Solve for x: 2.8 + x = 15.9

Back

x = 13.1

Front

Choose the expression that is equivalent to 9(4a - 7b)

Back

36a - 63b

Front

Solve for x: x + 7.4 = 19.2

Back

x = 11.8

Front

What is the definition of an exponent?

Back

An exponent indicates how many times a number (the base) is multiplied by itself.

Front

What is the order of operations in math?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - PEMDAS.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.