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Thurs Dec 19 Test Review

Thursday 12/19/13
Day 4

December 19, 2013

HW: STUDY for tomorrow's test!

Aim: Review for tomorrow's Test

Do Now:
In isosceles trapezoid TVKR, TV // RK
TV = 24
RK = 34
VK = 13
Find the length of the altitude

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1

Thurs Dec 19 Test Review

December 19, 2013

HW: Review sheet

If I need my iPod, then I go for a run.

If I don't go for a run, then I don't need my iPod.
If I don't need my iPod, then I don't go for a run.
Contrapositive

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2

Thurs Dec 19 Test Review

December 19, 2013

T Λ T = True
Conjunctions are only True when Both parts are true.
T ν F = True
Disjunctions are only False when Both parts are false.

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3

Thurs Dec 19 Test Review

3.

x1, y1

December 19, 2013

y = ­3x + 2 s l slope ciproca te re 2 opposi y + 4 = 2(x + 6) 3

y = 2x 3

or

4.

y = 4x ­ 8

lopes same s

y ­ 5 = 4(x ­ 3)

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or

y = 4x­7

4

Thurs Dec 19 Test Review

December 19, 2013

5.
3x­10

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3x ­ 10 + 3x ­ 10 + 2x = 180 8x ­ 20 = 180 x = 25

5

Thurs Dec 19 Test Review

December 19, 2013

6.
Both parts must be false

7.

Today is hot
I will go to the beach

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6

Thurs Dec 19 Test Review

December 19, 2013

4 + 5 > 9

2 + 7 > 8

No

Yes

5 + 9 > 12

No

Consecutive angles are supplementary

7x + 3x = 180 10x = 180 x = 18

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Smaller angle:
3x =
3(18) =
54º

7

Thurs Dec 19 Test Review

December 19, 2013

Four congruent sides

5x + 15 = 3x + 31 2x = 16 x = 8

B

A
3x + 31

H

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5x + 15

T

8

Thurs Dec 19 Test Review

December 19, 2013

1

Diagonals are perpendicular:

90 + 2a + 10 + 5a + 10 = 180
7a + 110 = 180
7a = 70 a = 10

10
30

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4 congruent sides:
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