Week 15~Wednesday

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

How do you solve an inequality?

Back

To solve an inequality, isolate the variable on one side using inverse operations, similar to solving an equation, while reversing the inequality sign if you multiply or divide by a negative number.

Front

What does the solution x < -6 represent?

Back

It means that x can be any number less than -6.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio or unit rate.

Front

How do you determine if y is proportional to x using a table?

Back

Check if the ratios of y to x are the same for all pairs of values in the table.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something.

Front

What does the graph of x ≤ -2 look like?

Back

The graph includes all points to the left of -2 on the number line, including -2 itself.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

If each room is 14 ft by 20.5 ft, what is the area of one room?

Back

Area = 14 ft × 20.5 ft = 287 sq. ft.

Front

How do you find the total area for four identical rooms?

Back

Total area = area of one room × number of rooms = 287 sq. ft. × 4 = 1148 sq. ft.