Linear Inequalities

Front

What does a solid line in a graph of an inequality indicate?

Back

It indicates that the inequality includes the boundary line, meaning the symbol has 'or equal to.'

Front

When do you need to flip the inequality sign?

Back

You need to flip the sign when you multiply or divide both sides of the inequality by a negative number.

Front

What is the inequality symbol for 'greater than or equal to'?

Back

The symbol is '≥'.

Front

What is the inequality symbol for 'less than'?

Back

The symbol is '<'.

Front

How do you represent the solution set of an inequality graphically?

Back

The solution set is represented by shading the region of the graph that satisfies the inequality.

Front

What does the inequality y ≤ 2/5x + 1 represent?

Back

It represents all points (x, y) that are below or on the line y = 2/5x + 1.

Front

Which of the following points is NOT part of the solution set for the inequality y > -4/5x - 1? (0, 0), (-10, -10), (-1, 5), (5, 20)

Back

(-10, -10) is NOT part of the solution set.

Front

What does the symbol '>' mean in an inequality?

Back

It means 'greater than'.

Front

What is the first step to graphing the inequality 2x - 3y ≥ 12?

Back

Rearrange the inequality to solve for y.

Front

What is the slope of the line represented by the inequality y ≤ 2/5x + 1?

Back

The slope is 2/5.