Use the grid for Use the ordered pairs shown in the table below. x y Which equation represents the data in the table?

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1 Unit Homework Due the day of your test! Use the grid for.. Which point is located at ( 2, )? A point S point F C point G D point H 2. What are the coordinates of point S? A ( 2, 2) C (2, 0) (2, 2) D (2, 2). Which points are on the axes? A E and S E and F C P and H D P and E 4. The table shows a bicycle rider moving at a constant rate of speed. Time, x (h) 2 Distance, y (mi) What is the dependent variable in this situation? A rate time C speed D distance. Use the ordered pairs shown in the table below. x y Which equation represents the data in the table? A x.y x y D C y.x 6. Use the relationship shown on this graph. 2 Which equation shows the distance y in terms of the number of hours x? A y 2x C y x 9 y 0x y x D y 400 x 7. How many centimeters are there in meters? A 0. C 00 0 D,000. What is the solution to the inequality below? A m m 40 C m m 2 D m 67

2 Relationships in Two Variables Use the grid for 9.. Identity the independent and dependent variables shown on the graph. independent: dependent: 4. How are the independent and dependent variables related? 9. Graph P( 6, 4), Q( 4, 6), and R(6, 4). 0. In which quadrant are P and Q?. Graph points at (6, 6), (6, 0), and (6, 2). What do these points have in common with point R? Use the graph for 2 4. Use the table for 7. Lakeside Canoe Rentals Hours, x 2 7 Charge, y ($) Write an equation that expresses y in terms of x. 6. How much does it cost to rent a canoe for. hours? 7. Graph the relationship shown in the table on the grid below. 2. What quantities are shown on the graph?. Complete the sentence below. 24 is % of 60. 6

3 Exploring Temperature Data This activity illustrates the difference between experimental and theoretical data.. Complete the tables. Graph the Table data as individual points. Show the data in Table 2 as a straight line. Table data read from the thermometer C F Table 2 data computed from the equation 9 F C 2 C F 2. Describe the difference between the two data sets and explain why they differ. 69

4 Integers Refresher:.A large bag of cashews weighs pounds. One serving is pound. How many servings are in the bag? A 2 C 2 24 D 2. What is the reciprocal of? A C D 7 2. Mariel wrote these checks from her checking account: $0, $0, $, and $0. Which number shows the change in the balance of her account? A $6 C $ $ D $6 4. Mr. Franklin paid $.20 for gallons of gas. What is the price of gallon of gas? A $4.0 C $4. $4. D $4.2. The area of a library tabletop is 27 square feet. The table is feet wide. 2 What is the length of the table? A 7 ft C 7 7 ft 7 4 ft D ft 6. Which expression has the same value as ( 4)? A 4 ( 4) C ( 4) D 4 ( ) 7. Deion has a -pound bag of dog treats. 4 He will give his dog of the treats after they play each day. How many days will the bag last? A 6 days 7 days C days D 9 days. A horseshoe weighs.2 ounces. The nails make up 0.2 of that weight. What is the weight of the horseshoe without the nails? A.64 oz 6.6 oz C 9.4 oz D 6.4 oz 9. A trampoline has a jumping surface that is 0. feet long and 9.2 feet wide. What is the area of the jumping surface? A ft 2 C ft ft 2 D 9,476 ft 2 0. How does the product of two negative factors compare to the original factors? A The product is less than the factors. The product will be equal to one factor. C The product will be greater than or equal to one factor. D The product will be greater than the factors.. Which expression has an answer that is negative? A ( 4) 6 C ( 6)( ) ( 4) ( 6) D (6)() 2. In 4 hours, the temperature steadily fell from 0 F to 2 F. What was the average change in temperature per hour? A F F C 2 F D F 297

5 . Write an equation to express y in terms of x. The first one is done for you. x 0 2 y 2 4 y x 2 2. x 0 20 y 2 4. x 4 6 y x y 6 7 Solve. The first one is done for you.. When George works hours he earns $0. When George works 0 hours he earns $00. When George works 2 hours he earns $20. Complete the table. Circle the letter of the equation that relates the dollars George earns, y, to the number of hours he works, x. Number of hours, x 0 2 Dollars earned, y A y x 0 y x 72 C y 0x 6. When Javier is 2, Arianna is. When Javier is, Arianna is 6. When Javier is, Arianna will be. When Javier is 20, Arianna is 2. Complete the table. Circle the letter of the equation that relates the age of Arianna, y, to the age of Javier, x. Javier s age, x 2 20 Arianna s age, y A y x 2 y x C y 2x When Javier is 0 years old, Arianna will be. 29