Evaluate algebraic expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols (like +, -, *, /).

Front

Evaluate the expression: r/t when m = 7, r = 8, and t = 2.

Back

4

Front

Evaluate the expression: 4m + t when m = 7 and t = 2.

Back

30

Front

Evaluate the expression: 3x - 4y when x = 4 and y = 3.

Back

0

Front

Evaluate the expression: 6 + 7b - 3a when a = 2 and b = 8.

Back

56

Front

Evaluate the expression: 8y + 12 - 2z for y = 4 and z = 2.

Back

40

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a variable in algebra?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 'x' in the expression 2x + 3 = 11?

Back

4