24-25 7th Grade Maintenance Sheet 7.1 (units 1 & 2)

Front

What is the result of the expression -7 + 3?

Back

-4

Front

Is the statement -7 + 3 = 4 true or false?

Back

False

Front

What is the value of the expression 4c + 3c - 2c when c = 4?

Back

20

Front

How do you simplify the expression 4a + 5 - a + 2?

Back

3a + 7

Front

What expression represents the total cost of a hotel stay at $80 per night plus a $20 fee for bringing a dog for n nights?

Back

80n + 20

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you combine like terms in an expression?

Back

You add or subtract the coefficients of terms that have the same variable.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables.

Front

What is the formula for calculating the total cost of an item with a fixed fee and a variable cost?

Back

Total Cost = Fixed Fee + (Variable Cost per Unit * Number of Units).