Maths Exam Essay

949 Words Sep 4th, 2015 4 Pages
Score: ______ / ______
Name: ______________________________
Student Number: ______________________

| 1. Elsie is making a quilt using quilt blocks like the one in the diagram.

a. How many lines of symmetry are there? Type your answer below.
b. Does the quilt square have rotational symmetry? If so, what is the angle of rotation? Type your answers below.

| | 2. Solve by simulating the problem. You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you will guess exactly three out of five questions correctly? Type your answer below using complete sentences. | | 3. Use the diagram below to answer the following questions.
Is the sequence 3, 12, 36, ... a geometric sequence? Explain. Type your answer below. | | _____ 16. Graph the relation in the table. Then use the vertical-line test. Is the relation a function? Type your answer in the blank to the left. x | y | –3 | –4 | 0 | 5 | 1 | –5 | 3 | 1 | A. The relation is not a function. | | | B. The relation is not a function. | C. The relation is a function. | | | D. The relation is a function. | | | | | | | | 17. A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b. Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and tangent of the 30° angle in the lot. Write your answers as decimals rounded to four decimal places. | | _____ 18. The scatter plot shows the study times and test scores for a number of students. How long did the person who scored 81 study? Type your answer in the blank to the left.

A. 50 minutes | | B. 81 minutes | | C. 16 minutes | | D. 100 minutes | | | | | 19. If you know the number of yards for a measurement, you can change that measure to meters by multiplying the number of yards by 0.9144.
a. Write a function rule that relates meters to yards.
b. How many meters are equivalent to 7,200 yards? Round your answer to the nearest hundredth, if necessary.
c. How many yards are

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