Slide 1

Name the prime numbers in the 20’s.
23,29
Name the prime numbers in the 50’s.
53, 59
Name the prime numbers in the 90’s.
97
Name the prime numbers in the 70’s.
71,73,79
Name the prime numbers in the 80’s.
83,89
Name the prime numbers in the 40’s
41,43,47
Name the prime numbers in the 60’s.
61,67
Name the prime numbers in the 30’s.
31,37
Simplify
1. √48
2◦2
4√3
2◦2
◦3
Note to simplify a
square root you need
to write a prime
factorization.
Circle all pairs.
Pull out one of every
pair.
What is left goes under
the radical sign.
Simplify the following:
√375
5◦5◦3◦5 = 5√15
√80
√2◦2◦2◦2◦5 = 4√5
-24 -10 -1
A
B
C
0
7
11
D
E
F
20
G
34
H
1.AE= _______________________
31
2.BD = ______________________
10
3.FH = ______________________
23
4.AB =_______________________
14
5.AC = _______________________
23
Given CD on a number line.
Write a formula for finding its
midpoint.
Midpoint
CD
=
C+D
2
Given EF in a 4 quadrant plane.
Write a formula for finding its
midpoint.
Midpoint EF= ((X2 + X1 )/2 + (y 2 + y1 )/2)
Explain how to find a missing
endpoint of a given segment when
given the segment’s midpoint and
one endpoint.
1. Double the midpoint.
2. Do the opposite of the given
endpoint.
Write the standard
equation of a
circle.
(4,-7)
(-2, -7)
(x-4)² + (y + 7)² = 36
Write the standard equation of a circle.
(x – 2)²+( y – 4)² = 4
Write the standard equation of a
circle.
x² + (y+1)² = 4
Are the following points
Collinear, coplanar,
noncoplanar (space)
1.U,V,W _____
2.Q,T,V,W____
3.V,W____
1. Coplanar
2. Coplanar
3. Collinear
4. noncoplanar
4.X,T,Q,R_____
Draw the 4 ways to determine a plane.
Name the ways in which 2 planes are
related.
Parallel or intersecting (in a line)
Name the ways in which lines are related.
Parallel, intersecting, or skew
2 planes intersect in a _____________
Line
3 planes intersect in a ____ or a_____.
Point or a line