Interpret and Evaluate Expressions

Front

What is an algebraic expression?

Back

An algebraic expression consists of one or more numbers, variables, and operations.

Front

Evaluate the expression: 2 + (12 - 5x) ⋅ 2y when x = 2 and y = 5.

Back

22

Front

Simplify: 3y + 3 + 4y

Back

7y + 3

Front

Evaluate the expression: 25x(x - 4) when x = -1.

Back

125

Front

What is the value of x in the expression 5x + 3 = 18?

Back

x = 3

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is a numeric expression?

Back

A numeric expression consists only of numbers and operations.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

Evaluate the expression: 4x + 2 when x = 3.

Back

14

Front

What is the coefficient in the term 7y?

Back

The coefficient is 7.