Evaluate Algebra Expressions

Front

Evaluate: -x(y - x) + (3x - y) when x = -2 and y = 5

Back

3

Front

Evaluate the expression when y = 5: 2y² + 3y

Back

65

Front

Evaluate the expression for the given values: x = 3; y = -2; z = 4

Back

-1

Front

What is the first step in solving this problem: 12 ÷ 6 (3) + 8?

Back

division

Front

Evaluate 5x² when x = 3

Back

45

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Evaluate: 4(x + 2) when x = 1

Back

16

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.