Math 7/Unit 4 Practice Test: Patterns and Functions
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1 Math 7/Unit 4 Practice Test: Patterns and Functions Name: Date: Define the terms below and give an eample. 1. arithmetic sequence. function 3. linear equation 4. What ordered pair represents the origin?. In the ordered pair (, 4), the 4 represents the coordinate 6. In what quadrant is ( 4, 3) located? 7. Graph and label each point on the coordinate plane: A (4, 3) B (, ) C (0, 4) D ( 4, 0-8. Give the coordinates of the point on the graph. - R U - T S - Coordinates of R: Coordinates of S: Coordinates of T: Coordinates of U: Math 7 Practice Test Unit 04: Patterns and Functions Page 1 of 9
2 9.(CRT) Point Q is graphed on the coordinate plane. Q What is the shortest distance from Point Q to the -ais? A. 1 unit B. units C. 3 units D. units - -. Write the ordered pairs from the table Juan drove to the mountains, rested for an hour, then drove back home. Sketch a graph to show the distance Juan traveled compared to time. Distance Time 1. Sketch a graph to show the cost of rides compared to the number of rides a student rode at the fair. Cost Number of Rides Math 7 Practice Test Unit 04: Patterns and Functions Page of 9
3 Tell which graph corresponds to each situation described in Problems 13 and 14. Graph 1 Graph Graph 3 Speed (mi/h) Speed (mi/h) Speed (mi/h) Time Time Time 13. A rider steadil increases his speed for the first part of his bike ride. Then he keeps a constant speed as he continues his ride. 14. A rider falls about halfwa through the ride, but gets up and continues the ride. 1. Find the output (-value) for each input (-value) Input () = 1 Output () (CRT) Look at the input/output table below. Input Output What would be the output value when the input value is 1? A. 4 B. 6 C. 3 D. 44 Math 7 Practice Test Unit 04: Patterns and Functions Page 3 of 9
4 17. (CRT) Look at the input/output table below. Input () Output () ? What would be the output value () when the input value () is 1? A. 3 B. 63 C. 73 D (CRT) Look at the input/output table below. Input Output Which rule describes the relationship between the input numbers and the output numbers? A. output = 7 + input B. output = 4 input C. output = (3 input) + 3 D. output = (4 input) 19. Identif the following sequence as arithmetic or geometric., 6, 18, 4, 0. Identif the following sequence as arithmetic, geometric or neither. 1, 1,, 3,, 8, Math 7 Practice Test Unit 04: Patterns and Functions Page 4 of 9
5 1. Write a function to describe the following sequence. 4, 7,, 13, n Rule Function:. Find the 1 st term of the following arithmetic sequence: 1, 0, 1,, 3. Graph = 3. Input Rule Output Ordered Pair 3 (, ) Graph =. Input Rule Output Ordered Pair (, ) Math 7 Practice Test Unit 04: Patterns and Functions Page of 9
6 . Graph = (CRT) Look at the equation below. = 8+ 3 In which list are all the ordered pairs solutions of the equation? A. ( 0, 8), (, ), ( 4,4 ) B. ( 0, 8), ( 3, 8), ( 3. 8) C. ( 8,0), (,), ( 4,4 ) D. ( 8, 8), ( 0,0 ), ( 3, 3 ) 7. (CRT) The line graphed on the coordinate plane represents solutions of a linear equation. Which ordered pairs are solutions of the linear equation? A. (,0), (,0 ) B. ( 1, 3), ( 3, 0 ) C. ( 0, ), ( 3,1 ) D. ( 1, 1), ( 0, ) Which ordered pair is not a solution of = 4? a. (, 6) b. (0, 4) c. (1, 0) d. ( 1, 9) Math 7 Practice Test Unit 04: Patterns and Functions Page 6 of 9
7 9. (CRT) Which graph represents the equation = 3? A C B D (CRT) The table below shows the total cost of purchasing peanuts, based on the number of pounds purchased. It includes a service fee. Number of pounds Total cost ($) 3 7 9?? The total cost follows a pattern, and the pattern continues. A On the graph below, graph the points that represent the information in the table. Be sure to include the total cost for pounds and 6 on our graph. Total Cost ($) Number of Pounds Math 7 Practice Test Unit 04: Patterns and Functions Page 7 of 9
8 B If ou are not permitted to purchase a fractional part of a pound, eplain wh ou will never have a total cost of $ Plot the points ( 3, 3), (, 1 ) and ( 3, 1) on the coordinate plane below Then identif different coordinates of points that would create a parallelogram. Identif the coordinates and eplain our thinking. Math 7 Practice Test Unit 04: Patterns and Functions Page 8 of 9
9 Long term memor review: 3. (CRT) What is the value of 3( ) when =? A. 9 B. 13 C. 17 D Which pair of rational numbers is equivalent? A. B. C. D and 0 1 and and 3 and (CRT) One da, the temperature in a cit dropped from F to 3 F. What was the total change in the temperature, in degrees Fahrenheit? A. 13 B. 7 C. 7 D. 13 Math 7 Practice Test Unit 04: Patterns and Functions Page 9 of 9
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