7.1 Ratios and Proportions Quiz - Rochester City （7.1比率,比例测验罗切斯特城市）.pdf

Name: ________________________ Class: ___________________ Date: __________ ID: A 7.1 Ratios and Proportions Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Given that two points on line m are P(7, 11) and Q(12, 9), write a ratio expressing the slope of m. 2 a. − 5 20 b. 19 5 c. − 2 19 d. 20 ____ 2. The ratio of the side lengths of a quadrilateral is 3:2:6:7, and its perimeter is 126 meters. What is the length of the shortest side? a. 14 meters b. 49 meters c. 63 meters d. 7 meters 6 21 = ____ 3. Solve the proportion . 7 10w 2 a. w = 7 9 b. w = 5 20 c. w = 49 49 d. w = 20 ____ 4. Given that 10m = 14n, find the ratio of m to n in simplest form. 5 a. 7 10 b. 14 7 c. 5 14 d. 10