Warm up:
1. Write an irrational number between 1 and 2 with 10 digits to the right of the decimal point.
2. Write a rational number between ­3 and ­2 with a 3­digit repeating pattern with 10 digits to the right of the decimal point.
3. A, B, and C are collinear. Determine which point is between the other two.
AB = 12, BC = 5 and AC = 17
1. If x ­ 10 = 35, which property of equality for real numbers justifies that x = 45?
A. Subtraction Property of Equality
B. Addition Property of Equality
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2. George purchased an extension ladder consisting of two 7­foot sections. When fully extended, the ladder measures 11 feet 8 inches. By how much do the two sections overlap?
A. 3 feet
B. 2 feet 2 inches
C. 1 foot 2 inches
D. 2 feet 4 inches
3. Find the length of the segment in centimeters and inches.
in.
cm.
2
1
1
2
3
4
5
3
6
7
4
8
A. 3 in, 2 cmC. 3 in, 8 cm
B. 8 in, 3 cmD. 2 in, 3 cm
2
A
B
C
D
4. If AD = 27, and BD = 19, Find AB.
A
B
C
D
5. If AB = 9 and BD = 6, find AD.
3
6. Find the length of AK.
A
­10
C
B
­9
­8
­7
­6
­5 ­4
E
D
­3
­2
­1
0
2
1
K
G
F
3
4
5
6
8
7
10
9
7. Is the statement true or false? AD = DK A
­10
C
B
­9
­8
­7
­6
­5 ­4
E
D
­3
­2
­1
0
1
2
K
G
F
3
4
5
6
7
8
9
10
T. true
F. false
4
8. Find the midpoint of segment DH.
D
C
­10
­9
­8
­7
­6
­5 ­4
­3
E
­2
­1
0
1
H
F
2
3
4
5
6
7
8
9
10
9. Find the coordinates of the midpoint.
( 7, 2) and (­7, ­2)
A. (0, ­4)
B. (14, ­4)
C. (0, 0)
D. (­14, ­4)
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10. Find the coordinates of the midpoint.
(­6, 7) and (9, 10)
A. (3, 8)
B. (3/2, 17/2)
C. (8, 3)
D. (17/2, 3/2) Answers
Warm up:
1. possible answer: 1.12357900143
2. possible answer: ­2.1241241241
3. B
Answers:
1. Addition
2. D
3. C
4. AB = 8
5. AD = 15
6. AK = 18
7. true
8. 3
9. C
10. B
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