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1 . Enrichment and Etension. a =, b =. a =, b =. a =, b =. a =, b =. a =, b is an number ecept.. a =, b =. a =, b =. a =, b =. Check students work.. Puzzle PAY HIM Etension. Start Thinking! For use before Etension. Sample answer: The graph shows the linear equations related to each side of the equation. The -coordinate of the point of intersection is the solution of the equation. Etension. Warm Up For use before Etension.. m =. =. p =. =. r =. = Etension. Practice. =. =. =. =. no; You cannot have CDs.. =. =.. no; The graph of the sstem = and = is a pair of parallel lines.. a. = b. \$ c. \$ d. Sample answer: the cost of the lemonade Technolog Connection. (, ). (., ). (, ). (, ) Chapter. Start Thinking! For use before Activit. will var depending on the cost of milk. For eample, if one milk costs \$., then the entries in the mapping diagram would be \$., \$., \$., and \$.. A mapping diagram maps one value to another.. Warm Up For use before Activit.. =... =.. Start Thinking! For use before Lesson. =. =. =. = The output is. Observe students plaing the Guess the Function Game.. Warm Up For use before Lesson.. Add ; missing entries are,, and.. Multipl b ; missing entries are,, and.. Practice A. As each input increases b, the output increases b. Input. As each input increases b, the output increases b. Input A Copright Big Ideas Learning, LLC

2 . (, ), (, ), (, ), (, ). (,, ) (,, ) (,, ) (, ). Input. Input. a. Input b. Ever input has eactl one output. So, the relation is a function. c. For each additional ticket purchased, the price per ticket decreases \$. d. \$ e. The cost is the same, ou should invite two more friends and get tickets rather than tickets. f. If the pattern continued, the cost for tickets would be \$.. Practice B. (,, ) (,, ) (,, ) (, ). (,, ) (,, ) (,, ) (, ). Input As each input increases b, the output decreases b.. a. \$., \$., \$., \$. b. Input c. Ever input has eactl one output. So, the relation is a function. d. (, ), (,. ), (,. ), (,. ), (, ), (,. ), (,. ) e f. The cost is \$ for the first minute and \$. for ever additional minute.. Input. Input. Enrichment and Etension. function; Each input is paired with eactl one output.. function; Each input is paired with eactl one output.. not a function; The input has two outputs, and.. Input As each input increases b, the output increases b (or each output is more than the input).. not a function; The input has two outputs, and.. a. Sample answer: b. Sample answer: Input Input Copright Big Ideas Learning, LLC A

3 . a. Sample answer: b. Sample answer: Input Input. a. Sample answer: (, ) b. Sample answer: (, ). a. Sample answer: (, ) b. Sample answer: (, ). Practice A. = +. =. =. =. =. =. =. =.. O O. a. Sample answer: (, ) b. Sample answer: (, ). Puzzle TULIPS. Start Thinking! For use before Activit. = ; If the length is meters and the width is meters, then the area is the product of the length and width.. Warm Up For use before Activit.. (, ). (, ). Start Thinking! For use before Lesson. Sample answer: The cost of buing apples at \$. per apple can be represented b the equation =.. The variable represents the number of apples and represents the total cost. Input,. Warm Up For use before Lesson...,... =. = + =. =... a. d = h b. d = miles. a. s = a b. s = \$. c. a = \$. Practice B. = +. =. =. =. =. =... a. d = h b. d = miles. =. =. a. P =.b b. b = bags. P A = O O O O A Copright Big Ideas Learning, LLC

4 . Enrichment and Etension. f ( ) =. f ( ) =. f ( ) = +. ( ). f ( ) f ( ) f ( ) =, =, = f = +.. Practice A. f ( ) f ( ) f ( ) =, =, =. f ( ) f ( ) f ( ) =, =, =. f ( ) f ( ) f ( ) =, =, =. f ( ) f ( ) f ( ) =, =, =. = +.. =.. a. independent variable: dependent variable: = =. f ( ) f ( ) f ( ) =, =, = =, =, or, =. f ( ) f ( ) f ( ). f ( ) f ( ) f ( ) =, =., =.. f ( ) f ( ) f ( ) =, =, =. Sample answer: f ( ) =. Puzzle YOU DON T HAVE TO TELL ME IT IS ALL OVER TOWN. Start Thinking! For use before Activit. will var. Check students sketches, tables, and graphs.. Warm Up For use before Activit.. = +. = +. Start Thinking! For use before Lesson. Sample answer: A linear function has a graph in which the points fall on a line. The function = is an eample of a linear function.. Warm Up For use before Lesson.. = b. = ; It costs about \$. for fluid ounce of brewed coffee. c. d. \$. a. independent variable: dependent variable: b. = c. Cost Area d. ft Fluid ounces Height. Practice B. =. =. =. = +. The variable represents the side length of a square; the variable represents the perimeter. Copright Big Ideas Learning, LLC A

5 . a. independent variable: dependent variable: b. =. ; It takes. minute to make burrito. c. d.. min. a. independent variable: dependent variable: b. = c. d. mi e. r = mi h f. h. Enrichment and Etension. At iteration, ou have a completel shaded bo. To go from iteration to iteration, ou split the bo into smaller blocks, keep the bo in the upper left corner, and delete ever other bo thereafter.. Each of the smaller boes in iteration is similar to the original bo in iteration.. Miles Iteration Burritos Hours Number of Squares. At each iteration, the number of squares multiplies b ; After the first iteration, the iteration number tells ou how man factors of to multipl together to determine the number of squares.. no; There is no number that can be added to the number of squares each time to produce the net amount of squares.. The pattern will repeat an infinite number of times. Part of the area of the original bo will alwas remain. So, ou can keep appling the procedure of deleting some boes and keeping others.. Puzzle FROSTBITE. Start Thinking! For use before Activit. The height of a plane during take-off is linear. The others are nonlinear. Check students graphs.. Warm Up For use before Activit.. cm; cm. cm; cm. ft; ft. in.; in.. Start Thinking! For use before Lesson. Sample answer: The cost of admission for people is linear. The length of time ou wait in line at each ride is nonlinear.. Warm Up For use before Lesson... linear.. nonlinear nonlinear linear O A Copright Big Ideas Learning, LLC

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