Expressions Review - Nance

Front

Evaluate the expression: xy - y; x = -5 and y = 5

Back

-30

Front

Evaluate the expression: 3(6 + 1^2)

Back

21

Front

Evaluate the expression: -6(h + j); h = 4 and j = 4

Back

-48

Front

Evaluate the expression: (x + y) ÷ 6; x = 2 and y = 4

Back

1

Front

Write as an algebraic expression: The product of 12 and C

Back

12c

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

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 a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x or y.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.