CP -Algebra 1 Unit 2 Student Targets Name:_________________________________________ Teacher:___________________Pd:_____Date:____ Big idea: Connections between different representation of functions Target Example 1. I can connect a table of values and/or equation to its graphical representation (linear, quadratic, exponential, absolute value). 1. Match the following data/equations to its graphical representation: a. 1. X -3 -2 -1 0 1 Y -5 -8 -9 -8 -5 b. y 3x 1 c. d. Big idea: Analyze different representations of functions 2. I can describe the characteristics (general 2. shape, increasing/decreasing, maximum/minimums, rate of change, symmetries) of linear, quadratic, exponential, and absolute value functions. 3. I can identify the domain and range from a table and graph and compare the ranges of various functions. 3. 0 2 1 0 2 2 3. 3 4 4. y 2x b. quadratic function , y x 2 c. exponential function, y 2x d. absolute value function, y 2x Identify the domain and range and graph the following functions: a. X -1 0 1 2 3 Y -12 -15 -16 -15 -12 c. d. 4. -1 4 Describe the characteristics of the following parent graphs: a. linear function, y x b. Big idea: Graph different functions 4. Given an equation, I can create a table of values for a function and graph (linear, quadratic, exponential, absolute value) X Y 2. X Y -1 4 0 2 1 0 2 2 X Y 0 1 1 3 2 9 3 27 X Y -4 2 -3 1 -2 0 -1 1 3 4 0 2 Create a table of values and graph the functions: a. y 2x 1 b. y x 2 2x 8 c. y 3x d. y x 2 5. Given a table of values, I can graph a function (linear, quadratic, exponential, absolute value) 5. For each table of values, graph its respective function. a. X -1 0 1 2 3 Y .67 1 1.5 2.25 3.375 b. c. d. Big idea: Analyze real-world applications of graphs 6. I can describe the rate of change from a graphical representation of a real-world scenario 1 1 2 0 3 -3 X Y -6 -1 -4 -2 -2 -3 0 -4 2 -5 X Y -2 3 -1 1.5 0 0 1 1.5 2 3 Sketch a graph of the following situations: Elevation vs. Time From the 2nd floor to the 1st floor of Woodfield Mall taking a. the stairs(with a landing) and b. an elevator(start the time as you press the button and show your wait time on the 2 nd floor) Describe the characteristics of the following graphs: 7. 8. I can describe the characteristics (general shape, increasing/decreasing, maximum/minimums, rate of change, symmetries) of additional functions. 8. a. I can identify the coordinates of a specific point in a coordinate plane. 0 0 Describe the rate of change of the time vs. temperature graph below. I can sketch a graph representing a real-world scenario. 10. -1 -3 6. 7. Big idea: Graph points on the coordinate plane 9. I can plot points in a coordinate plane. X Y b. 9. Graph and label the following points on the coordinate plane A:(-3, 2) B:(4,0) C:(-2,5) D:(1,-4) 10. Identify the coordinates of the points on the coordinate plane to the right Big idea: Calculate the slope and rate of change 11. 12 13 I can calculate the slope of a line given two points or a graph of the line. I can calculate the slope of a vertical or horizontal line. I can apply the concepts of slope to real-world problems (i.e. rate of change). 11. a. Calculate the slope of the line given 2 points (3, -2) and (-3, 6) 3 2 20 12. Calculate the slope of each line give two points a. 2,4 and 5,4 b. 8, 3 and 8,10 b. Find the missing value: line passes through 4, x and 6,5 and has a slope of 22 18 13. Find the rate of change in rainfall with respect to time. Years since 2005 -4 -2 0 2 Rainfall 1 4 7 10 16 14 4 12 13 10 14 I can interpret and compare rates of change from the graphs of linear functions. 14. Describe the rate of change between months 5 and 7. average rainfall in inches 8 6 4 2 -10 -5 5 -2 10 Months of the Year -4 Big idea: Graph linear functions -6 15 I can graph a linear function given its equation by creating a table. 15. Graph the equation f x 3x 5 16 I can describe the translations of a linear function. 16. Compare to the parent graph y=x, describe the translation for the following functions: 1 a. b. y x 1 c. y x 5 y 3x 4 TARGET SOLUTIONS ON OTHER SIDE 15 20 25 Target Solutions 1. A-1, B-2, C-4, D-3 2a. line, increases to the right, decreases to 2b. parabola, increases right to left, vertex in the left, no max/min, constant rate min, symmetric by vertex 2d. “v”, increases right to left, symmetric by 3a-d. X-values are domain, Y-values are range. 4a. vertex See Target #1 for graphs X -2 -1 Y -5 -3 4b. 4c. 4d. X -1 0 1 2 3 X 0 1 2 3 4 X 0 1 Y -5 -8 -9 -8 -5 Y 1 3 9 27 81 Y 2 1 6. A-B constant, B-C increase, C-D constant 7. (graph) 8a. Increasing left to right until -1, parabola from -1 to 2, constant/linear; abs max @ x=2 8b. Min @ x=-3, Max @ x=0, Min @ x=3 12a. 13. 1.5 inches/year 14. 5-6: decreases 3 15. m 0 4 11. a. m in/month b. m undefined 3 6-7: creases 1 b. x=8 in/month 2c. curve, increases right to left, asymptote 0 -1 1 1 2 3 5. (graphs) a. exponential b. quadratic c. linear d. absolute value 2 3 4 0 1 2 9. (plot points) 10. (-5,2), (6,0) and A. QII B. X-axis (4,-4) C. QII D. QIV 16a. negative slope (flipped over x-axis), steeper slope 16b. moved down 1 16c. moved up 5, less steep slope