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

2. 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

3. Simplify 1.√48 2◦2 ◦3 4 √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.

4. Simplify the following: √375 5◦5◦3◦5 = 5 √15 √80 √2 ◦2◦2◦2◦5 = 4 √5

5. A B C D E F G H -24 -10 -1 0 7 11 20 34 1.AE= _______________________ 2.BD = ______________________ 3.FH = ______________________ 4.AB =_______________________ 5.AC = _______________________ 31 10 23 14 23

6. Given CD on a number line. Write a formula for finding its midpoint. Midpoint = C + D 2 CD

7. Given EF in a 4 quadrant plane. Write a formula for finding its midpoint. Midpoint = ((X + X )/2 + (y + y )/2) 1221 EF

8. 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.

9. Write the standard equation of a circle. (x-4) ² + (y + 7)² = 36

10. Write the standard equation of a circle. (x – 2) ² +( y – 4) ² = 4

11. Write the standard equation of a circle. x ² + (y+1)² = 4

12. Are the following points Collinear, coplanar, noncoplanar (space) 1.U,V,W _____ 2.Q,T,V,W____ 3.V,W____ 4.X,T,Q,R_____ 1.Coplanar 2.Coplanar 3.Collinear 4.noncoplanar

13. Draw the 4 ways to determine a plane.

14. 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