Linear inequalities
A linear inequality in two variables, like y > 2x - 1, graphs as a boundary line (dashed if the inequality is strict, solid if it isn't) with one whole side of the plane shaded: every point in the shaded region makes the inequality true, like (2, 5), since 5 > 2(2) - 1 = 3.
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This midterm covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Midterm, Part 1 of 2
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Midterm, Part 2 of 2
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This final covers a lot of topics, so it's split into 4 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 4
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Final, Part 2 of 4
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Final, Part 3 of 4
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Final, Part 4 of 4
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