Front

What is the formula for calculating the perimeter of a triangle?

Back

Perimeter = sum of all sides.

Front

What does the symbol '>' mean in inequalities?

Back

'>' means 'greater than'.

Front

What does the symbol '≤' mean in inequalities?

Back

'≤' means 'less than or equal to'.

Front

What is a solution in the context of a system of inequalities?

Back

A solution is a point that satisfies all inequalities in the system.

Front

How do you find the area of a rectangle?

Back

Area = Length x Width.

Front

What is the area of a rectangle with length (x - 5) and width (3x + 1)?

Back

Area = 3x² - 14x - 5.

Front

How many guests does a small tier serve if 3 small tiers and 1 medium tier serve 100 guests?

Back

A small tier serves 20 guests.

Front

How many guests does a medium tier serve if 3 small tiers and 2 medium tiers serve 140 guests?

Back

A medium tier serves 40 guests.

Front

What is the first step in solving a system of equations?

Back

Identify the equations and the variables involved.

Front

What is the difference between a linear equation and a linear inequality?

Back

A linear equation has an equal sign, while a linear inequality uses inequality symbols.