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12th

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Kevin Lin

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20 questions

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- 1. Multiple Choice15 minutes1 ptExpress the following in Interval Notation

-9 < x ≤ -4[-9, -4](-9,-4][-9, -4](-9,-4) - 2. Multiple Choice15 minutes1 ptWrite the following in interval notation

x < 8(8, ∞)(8, -∞)(-∞, 8)[-∞, 8] - 3. Multiple Choice15 minutes1 ptLook at the Graph. Write the inequality in interval notation.[-4, -1)(-4, -1)(-4, -1][-4, -1]
- 4. Multiple Choice15 minutes1 ptWhen graphing b< 6 would you use an open or closed circle?openclosed
- 5. Multiple Choice15 minutes1 ptLook at the picture. Which number line corresponds to [-2, 5]?Graph 1Graph 2Graph 3Graph 4
- 6. Multiple Choice15 minutes1 pt
Can you use the symbols "[" or "]"

with infinity?

Yes

No

- 7. Multiple Choice15 minutes1 pt
Which of the following numbers is not in the interval (3, 9]?

3

3.14

7

9

- 8. Multiple Choice15 minutes1 pt
When graphing an inequality, you use an open dot when you use which symbol?

<, >

≤, ≥

>, ≥

<, ≤

- 9. Multiple Choice15 minutes1 ptExpress the following in Interval Notation

-9 < x < -8.5[-9, -8.5][-9, -8.5)(-9, -8.5](-9, -8.5) - 10. Multiple Choice15 minutes1 ptPick the correct letter for:

6 > xABCD - 11. Multiple Choice15 minutes1 ptWhen you graph an inequality, you use a closed dot when you use which symbols?≤, ≥<, >≤, <≥, >
- 12. Multiple Choice15 minutes1 pt
Which is the closest to " [ a, b) "

All values between a and b, including both a and b

All values between a and b, excluding both a and b

All values between a and b, including a, but excluding b

All values between a and b, including b, but excluding a

- 13. Multiple Choice15 minutes1 pt
Why do we not use closed parentheses/brackets for positive and negative infinity?

Infinity is an idea/concept and not an actual number, so it can't be included

False, we do in fact use closed parentheses/brackets for positive and negative infinity

Huh?

???

- 14. Multiple Choice15 minutes1 ptExpress the following interval in Set notation:

(-7, 15]-7 ≤ x ≤ 15-7 < x ≤ 15-7 ≤ x < 15-7 < x < 15 - 15. Multiple Choice15 minutes1 pt
What inequality is graphed?

2 < x < 4

2 ≤ x ≤ 4

x > 2 or x < 4

x ≥ 2 or x ≤ 4

- 16. Multiple Choice15 minutes1 ptWrite the inequality in interval notation. x > -1(-∞, -1)(-1, ∞](-∞, -1](-1, ∞)
- 17. Multiple Choice15 minutes1 ptPick the correct inequality.ABCD
- 18. Multiple Choice15 minutes1 pt
Which graph matches the inequality

4 > x

A

B

C

D

- 19. Multiple Choice15 minutes1 ptWrite the following in interval notation

x > 6 and x ≤ 10(-∞, 6) and (10, ∞)[6, 10)(-∞, 6] and [10, ∞)(6, 10] - 20. Multiple Choice15 minutes1 ptWrite the following in interval notation

x ≥ 100(0, 100] (Real quick)(∞, 100][100, ∞)(∞, 100) - Answer choicesTagsAnswer choicesTags
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