Name _
Geometry R  Squares and square roots
9/9/11
Period _
To square a number you just multiply it by itself. . .
Example: 32 = 9 because 3 x 3 = 9
The square root of a number is that special value that when multiplied by itself
gives you the original n
Obiective: Algebra Review Factoring
Trinomial
r
Factoring Trinomials when a =1
Example 1: Factor x"
l'tFind factors
2nd
+5x+6
of
that add to make
Rewrite the expression as product of 2 binomials:
Example
2na
Example
3: Factor x'  5x
1'tFind factors
Name
Geometry R
Period
919111

Squares and square roots
To square a number you just multiply it by itself. . .
Example: 32= 9 because 3 x 3 = I
.
The squdre root of a number is that special value that when multiplied by itself
gives you the original
Exam
1.3 Notes
Name:
Obiective: Measuring Segments
Ruler Postulate:
Example 1: Find each distance below:
Ruler Postulate:
.Used to find the.
between 2 points on a number line.
.The
between 2 points is equalto the
'E
*& ' z I z, lz
a. AB=
b.
BC=
c.
CE=
r
of
th
Name:
Date:
14 Measuring Angles Notes
Term and Definition
1
Howto name
angle is formed by 2 _with
the
Three different ways:
Sh,;
L.
2. The common endpoint is called the
2. 3 letters a point on each ray and the vertex.
*middle letter MUST be the
3.
4.
A
Name:_
Date:_
1.3 Distance and Midpoint
Vocabulary:
Midpoint:
Bisect:
Segment Bisector:
Example 1:
Example 2:
a. Find the midpoint between points K and J
a. Find the distance between points K and J.
b. Find the midpoint between points D and K
b. Find the
Name _ Date _
Period _
Geometry R Midpoint and Distance
Find the distance between the following points below using D =
( x2 x1 ) 2 + ( y2 y1 ) 2
1) A(5, 3) and D (5, 8)
2) E (7, 5) and F (1, 1)
3) B (8, 3) and C (3, 2)
4) J ( 10, 9) and K (2, 6)
Angle an angle consists of two different rays sharing an initial point.
4 ways to name the angle
Classifying angles
I. Right angle
II. Acute angle
mA = 90
0 < mA < 90
III. Obtuse angle
90 < mA < 180
IV. Straight angle an angle formed by two opposite ray