Savvas Envision Gr. 7, Ch. 4 Review

Front

What is the expression for Haddie's profit after selling x scarves if she pays a $25 booth fee and charges $12 per scarf?

Back

12x - 25

Front

How do you add the expressions (5.2c - 7.35) + (-3.9 + 2.65)?

Back

1.3c - 4.7

Front

Back

Front

What is the factored form of the expression 81y + 54?

Back

27(3y + 2)

Front

What is the cost of buying 4.5 pounds of potatoes at $0.32 per pound and 2.5 pounds of onions at $0.48 per pound?

Back

$2.64

Front

Define profit in a business context.

Back

Profit is the financial gain obtained when the revenue from sales exceeds the costs associated with producing and selling goods.

Front

What is a variable in algebra?

Back

A variable is a symbol, often represented by a letter, that stands for a number that can change.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its most basic form by combining like terms and eliminating unnecessary elements.

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

What is the process of factoring an expression?

Back

Factoring an expression involves rewriting it as a product of its factors, which can help simplify equations or solve for variables.