ALG i - EVALUATE EXPRESSIONS

Front

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

Back

40

Front

Evaluate the expression: 2a + 4b if a = 10 and b = 6

Back

44

Front

Evaluate the expression: m² + 12q if m = 5 and q = -3

Back

-11

Front

Evaluate the expression: 6a - 3d when a = 1 and d = 2

Back

0

Front

Evaluate the expression: -5a - b for a = -6 and b = 3

Back

27

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

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 variable in mathematics?

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 determines 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 3x + 5 = 20?

Back

x = 5