Identify interval notation for inequalities
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Identify the interval notation for x ≥ 2 | [2,∞)
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Solve x + 3 < 0 and identify the interval notation | x < –3 and interval notation (-∞,-3)
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Solve x - 4 ≥ 0 and identify the interval notation | x ≥ 4 and interval notation [4, ∞)
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Solve x -7 < -3 and identify the interval notation | x < 4 and interval notation (-∞ , 4)
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Solve x + 10 ≥ 5 and identify the interval notation | x ≥ -5 and interval notation [-5,∞)
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Solve -3x - 3 < 6 and identify the interval notation | x > -3 and interval notation (-3, ∞) * don't forget to switch the inequality because you divide by a negative number
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Solve for 3x + 2 < 14 and 2x – 5 > –11 and write the interval notation | x > -3 and x < 4 interval notation (-3,4)
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Solve for x: 2x + 7 < –11 or –3x – 2 < 13 and write the interval notation | x < -9 or x > -5 interval notation (-∞,-9) u (-5,∞)
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Solve for x: 3x − 7 ≥ 20 | x ≥ 9 interval notation [9,∞)
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Created by:
algebra2teacher
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