Benchmark Review

Front

What is the inequality to compare total charges from two companies?

Back

3.5x + 14 < 0.5x + 22

Front

How do you write the equation for a plumber's charges?

Back

y = 12x + 50

Front

What is a proportional relationship in equations?

Back

y = 6x is proportional because it passes through the origin.

Front

What is the formula for the total surface area of a cylinder?

Back

Total Surface Area = 2πr(h + r)

Front

How do you find the missing side of a shape?

Back

Use the Pythagorean theorem or other geometric principles.

Front

What does 'proportional' mean in mathematics?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the meaning of 'surface area'?

Back

The total area of the surface of a three-dimensional object.

Front

What is the difference between fixed costs and variable costs?

Back

Fixed costs do not change with the level of output; variable costs do.

Front

What is the formula for calculating the cost of items with a fixed fee?

Back

Total Cost = Fixed Fee + (Cost per Item × Number of Items)