VIEWS: 10 PAGES: 4 POSTED ON: 7/2/2010 Public Domain
2nd Nine Weeks Math Exam Review 1. If R = { the factors of 16} and P = {the factors of 12}, then what is R U P? 2. If Sara rolls a “4” on both of her next two rolls she will win the game she is playing. What is the probability Sara will be a winner after her next 2 rolls? 3. This diagram shows the width of a window pane and the length of its diagonal. A replacement pane needs to be ordered and is priced by the square inch. Determine the AREA OF THE PANE. 10 in 8 in 4. What is the √48 simplest form? 5. If T = {2, 3, 4, 7, 8, 9} and R = {1, 3, 5, 7, 9, 11}, what is T ∩ R? 6. Three coins are tossed at once. What is the probability they all land on heads? 7. Simplify 2√ 6 √3 8. There are 24 candy-coated chocolate pieces in a bag. Eight have defects in the coating that can only be seen with close inspection. What is the probability of pulling out a defective piece without looking? 9. Samuel goes to a fast food restaurant for lunch. There are five different sandwiches, four sides, and 3 drinks to choose from. He wants to pick one sandwich, one side and one drink. How many different meals can he order? 10. A square sandbox has an area of 81ft², what is the length of one side of the sandbox? 11. In the diagram, line a is parallel to line b. If the m 2 is 80˚, what is the m 8? 1 2 a 3 4 5 6 b 7 8 12. Triangles ABC and DEF are congruent. What is the length of segment DF? A F 15cm 6cm D 65˚ C B E 13. Claire has 5 kinds of lipstick, 3 eye shadows, 2 kinds of lip liner, and 3 mascaras. How many combinations can she use to make up her face? 14. In the diagram line a is parallel to line b. If the m 1 is 120˚, what is the m 8? 1 2 a 3 4 5 6 b 7 8 15. The Venn Diagram below shows the number of students with at least one of the following in their family. Write a phrase that identifies the number 6 in the diagram. Brother 4 Sisterl 6 8 2 4 5 12 Dog 16. Brian is playing a game using a six-sided number cube, numbered 1 through 6. He will win the game on his next roll if he gets a number greater than 2. What is the probability that Brian will win the game on his next roll? 17. Cathy constructed a Venn diagram that shows the number of 9th graders who play softball, tennis, and volleyball. How many more athletes play Softball than Volleyball? Softball Volleyball 1 6 12 2 3 4 9 Tennis 18. Jeffrey is getting dressed for school. He is choosing from one pair of jeans, three t-shirts, and four pair of shoes. Draw a tree diagram that represents all of his possible outfit combinations. 19. How many feet of fencing is needed to complete the triangle? 15 ft 9 ft ? ft 20. There are 5 different colors of M&M’s in a bag. 4 red, 5 yellow, 6 green, 3 brown and 2 orange. Tammie draws out a M&M, replaces it, and then draws out a second M&M. What is the probability that she got a yellow M&M and then a brown M&M. 21. A right triangle is shaded in the diagram. The area of the two squares is shown. What is the area of the third square? Area= 11 Sq Ft ** Area =? *** ***** ******* ********* Area= 36 Sq Ft 22. Students were asked for their favorite core class, Math, Science or both. Each student was given a number and placed in the Venn Diagram below. Which group of students is the complement of Science? 15 2 1 16 3 7 5 6 9 11 8 10 13 12 14 Math Science 23. Lines a, b, and c are parallel. What is the length of segment DF? A B a 15 10 C D b 9 E F c 24. Lines a, b, and c are parallel. What is the length of segment RV? R 15 T V W U 8 S 20 a b c 25. Divide: 26. What is/are the square root(s) of 64?