Linear Inequalities in two variables

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What is a linear inequality in two variables?

Back

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Identify the correct form of a linear inequality.

Back

Front

Which of the following is NOT a linear inequality: -x > 2y + 7, 9x + 3y ≥ 24, 13x - 4x = 21, 13x - 24y < 32?

Back

13x - 4x = 21 is NOT a linear inequality; it is an equation.

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Front

What does shading above the line indicate in a graph of a linear inequality?

Back

Shading above the line indicates that the solution set includes all points where the y-value is greater than the line.

Front

What does shading below the line indicate in a graph of a linear inequality?

Back

Shading below the line indicates that the solution set includes all points where the y-value is less than the line.