7th Grade Math Unit 2 Review

Front

What is the total cost if Sue bought 4 sodas and a bag of chips for $3, spending a total of $11.80?

Back

Each soda costs $2.20.

Front

How do you represent the savings goal of Patrick who wants to save at least $600 starting from $350 and saving $40 per week?

Back

The inequality is 350 + 40w ≥ 600.

Front

In the equation representing Mary's points scored, what does 'n' represent if Mary scored 75 points and scored 15 points less than 3 times Eric's points?

Back

'n' represents the number of points Eric scored.

Front

Solve the equation: 3n - 26 = 22. What is the value of n?

Back

n = 16.

Front

What is the equivalent expression for -9x + 5x - y - 2y?

Back

The equivalent expression is -4x - 3y.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol used to represent an unknown value.

Front

What is the process of solving an equation?

Back

The process involves isolating the variable on one side of the equation.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.