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 Expressions, Equations, & Inequalities 16 Flashcards |
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What is the role of variables in an algebraic expression? |
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Variables are letters that represent unknown or changing quantities in an algebraic expression. |
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Evaluate the expression 3a - 5 when a = 4. What is the result? |
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Substituting 4 for a gives 3(4) - 5, which simplifies to 12 - 5 = 7. |
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Fill in the blank: An equation states that two expressions are ___ . |
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Equal |
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True or False: The equation 2x + 3 = 9 has two solutions. |
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False. The equation has only one solution, which is x = 3. |
Card: 8 / 16 |
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What is the simplified form of the expression 5b + 3b - 4? |
Card: 9 / 16 |
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The simplified form is 8b - 4. |
Card: 10 / 16 |
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Riddle: I am a mathematical statement that shows the relationship between two expressions, and I include an equals sign. What am I? |
Card: 11 / 16 |
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An equation. |
Card: 12 / 16 |
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How do you solve the inequality x - 2 <> |
Card: 13 / 16 |
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Add 2 to both sides to get x <> |
Card: 14 / 16 |
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What do we call numbers that stand alone in an expression? |
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Constants. |
Card: 16 / 16 |
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