Preparing for the Regents Examination Geometry, AK
Preparing for the Regents Examination Geometry, AK
Preparing for the Regents Examination Geometry, AK
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Essentials of <strong>Geometry</strong><br />
1-1 Undefined Terms<br />
(page 2)<br />
1 (1) finite<br />
2 (2) infinite<br />
3 (3) empty<br />
4 A B<br />
5 A given line lies on an infinite number of<br />
planes.<br />
6 a and b<br />
m<br />
1-2 Real Numbers and<br />
Their Properties<br />
(pages 4–5)<br />
1 (4) 8<br />
2 (4) 5<br />
3 (3) 0n 0<br />
4 (1) a(b c) ab ac<br />
5 (1) additive inverse<br />
6 Commutative<br />
7 Multiplicative identity<br />
8 Commutative<br />
9 Additive identity<br />
10 Associative<br />
11 Associative<br />
<br />
p<br />
CHAPTER<br />
1<br />
12 Commutative<br />
13 Distributive<br />
14 Additive inverse<br />
15 Distributive<br />
16 Multiplicative inverse<br />
17 1<br />
18 0<br />
19 0<br />
20 Division by zero is undefined.<br />
1-3 Lines and Line<br />
Segments<br />
(pages 6–7)<br />
1 8<br />
2 4<br />
3 −−<br />
BD and −−<br />
CE<br />
4 They must all lie on <strong>the</strong> same line.<br />
5 They <strong>for</strong>m a triangle.<br />
6 Point S is <strong>the</strong> midpoint. It is halfway between<br />
P and T.<br />
7 Correct. The length of −−<br />
AB is equal to <strong>the</strong><br />
length of −−−<br />
CD .<br />
8 Incorrect notation<br />
9 Incorrect notation<br />
10 Correct. −−<br />
AB is congruent to −−−<br />
CD .<br />
11 −−−<br />
CPD bisects −−−<br />
APB . It divides it into two segments<br />
with <strong>the</strong> same measure, 7.<br />
12 MS 6<br />
1-3 Lines and Line Segments 1
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