Math 6 Unit 6 Review

Front

What is the value of x in the equation 2.8 + x = 15.9?

Back

x = 13.1

Front

What is the expression equal to 9^4?

Back

9 x 9 x 9 x 9

Front

What is the expression equal to 4^5?

Back

4 x 4 x 4 x 4 x 4

Front

What is the value of x in the equation x + 7.4 = 19.2?

Back

x = 11.8

Front

What is the equivalent expression for 9(4a - 7b)?

Back

36a - 63b

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent a number that can change.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the order of operations in mathematics?

Back

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

Front

What is the definition of an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

What is the value of x in the equation 3x = 12?

Back

x = 4