7th - Expressions, Equations, Integers Fall 2024 Semester Review

Front

What is the formula to calculate the cost per pound?

Back

Cost per pound = Total cost / Total weight (in pounds)

Front

If Kevin bought 4.6 lbs of pecans for $50.89, how do you find the cost per pound?

Back

Cost per pound = $50.89 / 4.6 lbs = $10.00

Front

How do you calculate the total height of a stack of bricks?

Back

Total height = Number of bricks x Thickness of each brick

Front

If each brick is 3 1/2 inches thick and there are 8 bricks, what is the total height?

Back

Total height = 8 x 3.5 inches = 28 inches

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.

Front

What are like terms in an expression?

Back

Like terms are terms that have the same variable raised to the same power.

Front

Back

Front

What is the process to solve for a variable in an equation?

Back

Isolate the variable on one side of the equation using inverse operations.

Front

Back

Subtract 2 from both sides: @@k = 4 - 2 ightarrow k = 2@@.

Front

What is the importance of checking your work after solving an equation?

Back

Checking your work ensures that your solution is correct and helps identify any mistakes.