M7E - Writing and Evaluating Algebraic Expressions

Front

Evaluate x² + 2x - 1 when x = -3

Back

2

Front

Write an expression for eight plus triple the number of shirts (let s = number of shirts)

Back

8 + 3s

Front

Evaluate bc + 5a when a = 3, b = 4, and c = -6

Back

-9

Front

Evaluate 2 + (12 - 5x) ⋅ 2y when x = 2 and y = 5

Back

22

Front

Write an expression for the number of baseball cards Perry has if he has 17 fewer than Pete (let b = number of cards Pete has)

Back

b - 17

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

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 a variable in algebra?

Back

A symbol, often a letter, that represents an unknown value.

Front

What is a constant in algebra?

Back

A fixed value that does not change.

Front

What is the difference between an expression and an equation?

Back

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